NASDAQ : CLST
-$0.26 (-1.48%)
| date | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 | 2020-12-31 | 2019-12-31 |
|---|---|---|---|---|---|---|---|
| revenue | 15.34M | 9.88M | 11M | 9.02M | 10.1M | 9.29M | 9.28M |
| costOfRevenue | 4.17M | 4.85M | 2.08M | 308K | 135K | 2.69M | 1.98M |
| grossProfit | 11.17M | 5.03M | 8.92M | 8.71M | 9.96M | 6.6M | 7.3M |
| researchAndDevelopmentExpenses | - | - | - | - | - | - | - |
| generalAndAdministrativeExpenses | 5.98M | 5.48M | 5.38M | 5.4M | 5.09M | 4.48M | 3.78M |
| sellingAndMarketingExpenses | - | 129K | 100000 | 240K | 43000 | 86000 | 144K |
| sellingGeneralAndAdministrativeExpenses | 5.98M | 5.61M | 5.48M | 5.64M | 5.13M | 4.56M | 3.92M |
| otherExpenses | 2.69M | 3.4M | 2.84M | 2.91M | 2.43M | 3.22M | 1.72M |
| operatingExpenses | 8.67M | 9.01M | 8.33M | 8.55M | 7.56M | 7.78M | 5.65M |
| costAndExpenses | 12.84M | 13.86M | 10.41M | 8.86M | 7.7M | 10.47M | 7.63M |
| netInterestIncome | 9.79M | 9.54M | 7.7M | 7.33M | 6.9M | 6.78M | 7.06M |
| interestIncome | 13.9M | 13.86M | 9.66M | 8.01M | 7.7M | 8.49M | 8.97M |
| interestExpense | 4.11M | 4.32M | 1.96M | 683K | 795K | 1.7M | 1.91M |
| depreciationAndAmortization | 422K | 412K | 403K | 448K | 424K | 347K | 296K |
| ebitda | 2.93M | -3.57M | 990K | 607K | 2.82M | -830K | 1.95M |
| ebit | 2.5M | -3.98M | 587K | 159K | 2.4M | -1.18M | 1.66M |
| nonOperatingIncomeExcludingInterest | - | - | - | - | - | - | - |
| operatingIncome | 2.5M | -3.98M | 587K | 159K | 2.4M | -1.18M | 1.66M |
| totalOtherIncomeExpensesNet | - | - | - | - | - | - | - |
| incomeBeforeTax | 2.5M | -3.98M | 587K | 159K | 2.4M | -1.18M | 1.66M |
| incomeTaxExpense | 452K | -894K | 61000 | -21000 | 484K | -474K | 329K |
| netIncomeFromContinuingOperations | 2.05M | -3.09M | 526K | 180K | 1.92M | -703K | 1.33M |
| netIncomeFromDiscontinuedOperations | - | - | - | - | - | - | - |
| otherAdjustmentsToNetIncome | - | - | - | - | - | - | - |
| netIncome | 2.05M | -3.09M | 526K | 180K | 1.92M | -703K | 1.33M |
| netIncomeDeductions | - | - | - | - | - | - | - |
| bottomLineNetIncome | 2.05M | -3.09M | 526K | 180K | 1.92M | -703K | 1.33M |
| eps | 0.56 | -0.78 | 0.12 | 0.04 | 0.4 | -0.13 | 0.25 |
| date | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 | 2020-12-31 | 2019-12-31 |
|---|---|---|---|---|---|---|---|
| cashAndCashEquivalents | 25.2M | 44.3M | 19.01M | 13.47M | 40.88M | 25.24M | 17.91M |
| shortTermInvestments | 48.89M | 28.71M | 1.64M | 79.6M | 88.34M | 20.73M | 14.22M |
| cashAndShortTermInvestments | 74.09M | 44.3M | 20.65M | 93.07M | 129.22M | 45.98M | 32.13M |
| netReceivables | 907K | 851K | 906K | 673K | 579K | 564K | 577K |
| accountsReceivables | 907K | 851K | 906K | 673K | 579K | 564K | 577K |
| otherReceivables | - | - | - | - | - | - | - |
| inventory | - | - | - | - | - | - | - |
| prepaids | - | - | - | - | - | - | - |
| otherCurrentAssets | - | - | - | - | - | - | - |
| totalCurrentAssets | 75M | 45.15M | 21.56M | 93.75M | 129.8M | 46.54M | 32.71M |
| propertyPlantEquipmentNet | 5.85M | 6.08M | 6.07M | 6.3M | 6.58M | 5.49M | 5.29M |
| goodwill | - | - | - | - | - | - | - |
| intangibleAssets | - | - | - | - | - | - | - |
| goodwillAndIntangibleAssets | - | - | - | - | - | - | - |
| longTermInvestments | 184.34M | 206.71M | 225.15M | 145.28M | 143.32M | 166.3M | 174.71M |
| taxAssets | - | - | 2.13M | - | - | - | - |
| otherNonCurrentAssets | 17.74M | 18.75M | 16.02M | 18.04M | 5.91M | 6.36M | 5.79M |
| totalNonCurrentAssets | 207.93M | 231.55M | 249.37M | 169.62M | 155.81M | 178.15M | 185.79M |
| otherAssets | - | - | - | - | - | - | - |
| totalAssets | 282.93M | 276.7M | 270.93M | 263.36M | 285.61M | 224.69M | 218.5M |
| totalPayables | - | - | - | - | - | - | - |
| accountPayables | - | - | - | - | - | - | - |
| otherPayables | - | - | - | - | - | - | - |
| accruedExpenses | - | - | - | - | - | - | - |
| shortTermDebt | - | - | - | - | - | - | - |
| capitalLeaseObligationsCurrent | - | - | - | - | - | - | - |
| taxPayables | - | - | - | - | - | - | - |
| deferredRevenue | - | - | - | - | - | - | - |
| otherCurrentLiabilities | 185.27M | 185.67M | 165.62M | 165.09M | 176.8M | 164.6M | 141.63M |
| totalCurrentLiabilities | 185.27M | 185.67M | 165.62M | 165.09M | 176.8M | 164.6M | 141.63M |
| longTermDebt | 14.73M | 9.56M | 9.38M | - | - | - | - |
| capitalLeaseObligationsNonCurrent | - | - | - | - | - | - | - |
| deferredRevenueNonCurrent | - | - | - | - | - | - | - |
| deferredTaxLiabilitiesNonCurrent | - | - | - | - | - | - | - |
| otherNonCurrentLiabilities | 1.2M | 1.26M | 11.37M | 9.76M | 10.26M | 9.56M | 25.75M |
| totalNonCurrentLiabilities | 15.93M | 10.82M | 20.75M | 9.76M | 10.26M | 9.56M | 25.75M |
| otherLiabilities | - | - | - | - | - | - | - |
| capitalLeaseObligations | - | - | - | - | - | - | - |
| totalLiabilities | 201.2M | 196.49M | 186.37M | 174.85M | 187.06M | 174.16M | 167.38M |
| treasuryStock | - | - | - | - | - | - | - |
| preferredStock | - | - | - | - | - | - | - |
| commonStock | 41000 | 43000 | 48000 | 53000 | 53000 | - | - |
| retainedEarnings | 51.91M | 49.86M | 52.95M | 52.78M | 52.56M | 50.43M | 51.13M |
| additionalPaidInCapital | 37.36M | 39.56M | 45.02M | 51.06M | 50.8M | - | - |
| date | 2025-12-31 | 2024-12-31 | 2023-12-31 | 2022-12-31 | 2021-12-31 | 2020-12-31 | 2019-12-31 |
|---|---|---|---|---|---|---|---|
| netIncome | 2.05M | -3.09M | 526K | 180K | 1.92M | -703K | 1.33M |
| depreciationAndAmortization | 422K | 412K | 403K | 448K | 424K | 347K | 296K |
| deferredIncomeTax | 312K | -894K | -12000 | -9000 | 152K | - | - |
| stockBasedCompensation | 897K | 812K | 769K | 472K | 73000 | - | - |
| changeInWorkingCapital | -291K | 68000 | 26000 | -639K | 982K | -221K | -62000 |
| accountsReceivables | - | - | - | - | - | - | - |
| inventory | - | - | - | - | - | - | - |
| accountsPayables | - | - | - | - | - | - | - |
| otherWorkingCapital | -291K | 68000 | 26000 | -639K | 982K | -221K | -62000 |
| otherNonCashItems | -105K | 5.86M | 296K | 320K | -118K | 1.43M | 149K |
| netCashProvidedByOperatingActivities | 3.29M | 3.17M | 2.01M | 772K | 3.43M | 857K | 1.71M |
| investmentsInPropertyPlantAndEquipment | -188K | -430K | -172K | -252K | -1.51M | -547K | -2.29M |
| acquisitionsNet | - | - | - | - | - | - | - |
| purchasesOfInvestments | -26.5M | -7.87M | - | -13.21M | -77.54M | -34.14M | -10.58M |
| salesMaturitiesOfInvestments | 4.64M | 48.72M | 11M | 10.88M | 12.55M | 23.18M | 17.79M |
| otherInvestingActivities | -2.35M | -22.6M | -11.1M | -11.57M | 19.91M | 11.2M | -760K |
| netCashProvidedByInvestingActivities | -24.39M | 17.82M | -267K | -14.14M | -46.59M | -313K | 4.16M |
| netDebtIssuance | 5M | -10M | 10M | - | -4.23M | -16.18M | - |
| longTermNetDebtIssuance | 5M | -10M | 10M | - | - | -16.18M | - |
| shortTermNetDebtIssuance | - | - | - | - | -4.23M | - | - |
| netStockIssuance | -2.59M | -5.76M | -6.32M | -2.34M | 50.84M | - | - |
| netCommonStockIssuance | -2.59M | -5.76M | -6.32M | -2.34M | 50.84M | - | - |
| commonStockIssuance | - | - | - | - | 50.84M | - | - |
| commonStockRepurchased | -2.59M | -5.76M | -6.32M | -2.34M | - | - | - |
| netPreferredStockIssuance | - | - | - | - | - | - | - |
| netDividendsPaid | - | - | - | - | - | - | - |
| commonDividendsPaid | - | - | - | - | - | - | - |
| preferredDividendsPaid | - | - | - | - | - | - | - |
| otherFinancingActivities | -400K | 20.05M | 113K | -11.7M | 12.2M | 22.97M | -4.81M |
| netCashProvidedByFinancingActivities | 2.01M | 4.3M | 3.8M | -14.04M | 58.8M | 6.79M | -4.81M |
| date | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| revenue | 3.92M | 3.89M | 3.8M | 3.78M | 3.9M | 3.83M | 4.27M | 3.86M | -2.09M | 3.21M |
| costOfRevenue | 955K | 1.14M | 1.03M | 993K | 1.01M | 1.04M | 1.48M | 1.18M | 1.16M | 771K |
| grossProfit | 2.97M | 2.76M | 2.78M | 2.78M | 2.9M | 2.79M | 2.79M | 2.69M | -3.24M | 2.44M |
| researchAndDevelopmentExpenses | - | - | - | - | - | - | - | - | - | - |
| generalAndAdministrativeExpenses | 1.44M | 1.49M | 1.44M | 1.38M | 1.36M | 1.46M | 1.34M | 1.26M | 1.38M | 1.44M |
| sellingAndMarketingExpenses | 33000 | 37000 | 35000 | 20000 | 39000 | 17000 | 31000 | 43000 | 38000 | 23000 |
| sellingGeneralAndAdministrativeExpenses | 1.48M | 1.53M | 1.47M | 1.4M | 1.4M | 1.47M | 1.37M | 1.3M | 1.41M | 1.46M |
| otherExpenses | 808K | 675K | 709K | 750K | 778K | 548K | 863K | 742K | 1.3M | 598K |
| operatingExpenses | 2.28M | 2.2M | 2.18M | 2.15M | 2.18M | 2.02M | 2.24M | 2.04M | 2.71M | 2.06M |
| costAndExpenses | 3.24M | 3.34M | 3.21M | 3.14M | 3.18M | 3.06M | 3.71M | 3.22M | 3.87M | 2.83M |
| netInterestIncome | 2.54M | 2.51M | 2.45M | 2.47M | 2.36M | 2.47M | 2.53M | 2.45M | 2.09M | 1.96M |
| interestIncome | 3.57M | 3.55M | 3.51M | 3.46M | 3.37M | 3.51M | 3.67M | 3.52M | 3.16M | 2.6M |
| interestExpense | 1.02M | 1.04M | 1.06M | 993K | 1.01M | 1.04M | 1.14M | 1.08M | 1.06M | 643K |
| depreciationAndAmortization | 105K | 107K | 107K | 105K | 103K | 106K | 104K | 101K | 101K | 102K |
| ebitda | 789K | 658K | 706K | 739K | 823K | 877K | 659K | 748K | -5.86M | 484K |
| ebit | 684K | 551K | 599K | 634K | 720K | 771K | 555K | 647K | -5.96M | 382K |
| nonOperatingIncomeExcludingInterest | - | - | - | - | - | - | - | - | - | - |
| operatingIncome | 684K | 551K | 599K | 634K | 720K | 771K | 555K | 647K | -5.96M | 382K |
| totalOtherIncomeExpensesNet | - | - | - | - | - | - | - | - | - | - |
| incomeBeforeTax | 684K | 551K | 599K | 634K | 720K | 771K | 555K | 647K | -5.96M | 382K |
| incomeTaxExpense | 126K | 95000 | 110K | 113K | 134K | 145K | 108K | 120K | -1.27M | 62000 |
| netIncomeFromContinuingOperations | 558K | 456K | 489K | 521K | 586K | 626K | 447K | 527K | -4.69M | 320K |
| netIncomeFromDiscontinuedOperations | - | - | - | - | - | - | - | - | - | - |
| otherAdjustmentsToNetIncome | - | - | - | - | - | - | - | - | - | - |
| netIncome | 558K | 456K | 489K | 521K | 586K | 626K | 447K | 527K | -4.69M | 320K |
| netIncomeDeductions | - | - | - | - | - | - | - | - | - | - |
| bottomLineNetIncome | 558K | 456K | 489K | 521K | 586K | 626K | 447K | 527K | -4.69M | 320K |
| eps | 0.16 | 0.13 | 0.13 | 0.14 | 0.16 | 0.16 | 0.11 | 0.13 | -1.15 | 0.08 |
| date | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| cashAndCashEquivalents | 38.53M | 25.2M | 37.27M | 40.06M | 40.32M | 44.3M | 45.75M | 75.46M | 76.01M | 19.01M |
| shortTermInvestments | 46.67M | 48.89M | 44.85M | 29.29M | 28.33M | 28.71M | 32.2M | 29.75M | 25.53M | 1.64M |
| cashAndShortTermInvestments | 85.2M | 74.09M | 82.12M | 69.35M | 68.65M | 44.3M | 77.95M | 105.2M | 101.54M | 20.65M |
| netReceivables | 849K | 907K | 861K | 883K | 866K | 851K | 815K | 737K | 733K | 906K |
| accountsReceivables | 849K | 907K | 861K | 883K | 866K | 851K | 815K | 737K | 733K | 906K |
| otherReceivables | - | - | - | - | - | - | - | - | - | - |
| inventory | - | - | - | - | - | - | - | - | - | - |
| prepaids | - | - | - | - | - | - | - | - | - | - |
| otherCurrentAssets | - | - | - | - | - | - | - | - | - | - |
| totalCurrentAssets | 86.05M | 75M | 82.98M | 70.23M | 69.52M | 45.15M | 78.76M | 105.94M | 102.28M | 21.56M |
| propertyPlantEquipmentNet | 5.75M | 5.85M | 5.95M | 5.98M | 6.05M | 6.08M | 6.14M | 6.11M | 6M | 6.07M |
| goodwill | - | - | - | - | - | - | - | - | - | - |
| intangibleAssets | - | - | - | - | - | - | - | - | - | - |
| goodwillAndIntangibleAssets | - | - | - | - | - | - | - | - | - | - |
| longTermInvestments | 177.84M | 184.34M | 177.32M | 180.09M | 178.53M | 206.71M | 176.92M | 164.5M | 154.88M | 225.15M |
| taxAssets | - | - | - | - | - | - | - | - | - | 2.13M |
| otherNonCurrentAssets | 18.86M | 17.74M | 17.58M | 17.49M | 17.55M | 18.75M | 18.8M | 18.77M | 18.9M | 16.02M |
| totalNonCurrentAssets | 202.46M | 207.93M | 200.85M | 203.55M | 202.13M | 231.55M | 201.85M | 189.39M | 179.77M | 249.37M |
| otherAssets | - | - | - | - | - | - | - | - | - | - |
| totalAssets | 288.51M | 282.93M | 283.83M | 273.78M | 271.65M | 276.7M | 280.62M | 295.33M | 282.05M | 270.93M |
| totalPayables | - | - | - | - | - | - | - | - | - | - |
| accountPayables | - | - | - | - | - | - | - | - | - | - |
| otherPayables | - | - | - | - | - | - | - | - | - | - |
| accruedExpenses | - | - | - | - | - | - | - | - | - | - |
| shortTermDebt | - | - | - | - | - | - | - | - | - | - |
| capitalLeaseObligationsCurrent | - | - | - | - | - | - | - | - | - | - |
| taxPayables | - | - | - | - | - | - | - | - | - | - |
| deferredRevenue | - | - | - | - | - | - | - | - | - | - |
| otherCurrentLiabilities | 195.37M | 185.27M | 186.37M | 182.21M | 180.6M | 185.67M | 167.44M | 180.06M | 169.64M | 165.62M |
| totalCurrentLiabilities | 195.37M | 185.27M | 186.37M | 182.21M | 180.6M | 185.67M | 167.44M | 180.06M | 169.64M | 165.62M |
| longTermDebt | 9.76M | 14.73M | 14.69M | 9.65M | 9.6M | 9.56M | 9.51M | 10.26M | 9.42M | 9.38M |
| capitalLeaseObligationsNonCurrent | - | - | - | - | - | - | - | - | - | - |
| deferredRevenueNonCurrent | - | - | - | - | - | - | - | - | - | - |
| deferredTaxLiabilitiesNonCurrent | - | - | - | - | - | - | - | - | - | - |
| otherNonCurrentLiabilities | 1.17M | 1.2M | 1.18M | 1.13M | 856K | 1.26M | 22M | 23.99M | 21.63M | 11.37M |
| totalNonCurrentLiabilities | 10.93M | 15.93M | 15.88M | 10.78M | 10.46M | 10.82M | 31.51M | 34.26M | 31.05M | 20.75M |
| otherLiabilities | - | - | - | - | - | - | - | - | - | - |
| capitalLeaseObligations | - | - | - | - | - | - | - | - | - | - |
| totalLiabilities | 206.3M | 201.2M | 202.25M | 192.99M | 191.06M | 196.49M | 198.95M | 214.32M | 200.69M | 186.37M |
| treasuryStock | - | - | - | - | - | - | - | - | - | - |
| preferredStock | - | - | - | - | - | - | - | - | - | - |
| commonStock | 41000 | 41000 | 41000 | 41000 | 42000 | 43000 | 44000 | 45000 | 46000 | 48000 |
| retainedEarnings | 52.47M | 51.91M | 51.46M | 50.97M | 50.45M | 49.86M | 49.23M | 48.79M | 48.37M | 52.95M |
| additionalPaidInCapital | 37.3M | 37.36M | 38M | 38.26M | 38.84M | 39.56M | 40.85M | 41.91M | 42.71M | 45.02M |
| date | 2026-03-31 | 2025-12-31 | 2025-09-30 | 2025-06-30 | 2025-03-31 | 2024-12-31 | 2024-09-30 | 2024-06-30 | 2024-03-31 | 2023-12-31 |
|---|---|---|---|---|---|---|---|---|---|---|
| netIncome | 558K | 456K | 489K | 521K | 586K | 626K | 447K | 527K | -4.69M | 320K |
| depreciationAndAmortization | 105K | 107K | 107K | 105K | 103K | 106K | 104K | 101K | 101K | 102K |
| deferredIncomeTax | 97000 | 64000 | 91000 | 86000 | 71000 | 145K | 105K | 120K | -1.26M | 62000 |
| stockBasedCompensation | 253K | 248K | 239K | 209K | 201K | 204K | 204K | 203K | 201K | 197K |
| changeInWorkingCapital | -319K | -242K | 81000 | 285K | -667K | -490K | -399K | 267K | 340K | -72000 |
| accountsReceivables | - | - | - | - | - | - | - | - | - | - |
| inventory | - | - | - | - | - | - | - | - | - | - |
| accountsPayables | - | - | - | - | - | - | - | - | - | - |
| otherWorkingCapital | -319K | -242K | 81000 | 285K | -667K | -490K | -399K | 267K | 340K | -72000 |
| otherNonCashItems | -33000 | 164K | -95000 | -55000 | 133K | 45000 | 435K | 175K | 5.56M | 321K |
| netCashProvidedByOperatingActivities | 661K | 797K | 912K | 1.15M | 427K | 636K | 896K | 1.39M | 247K | 930K |
| investmentsInPropertyPlantAndEquipment | -4000 | -3000 | -85000 | -34000 | -66000 | -55000 | -125K | -226K | -24000 | -14000 |
| acquisitionsNet | - | - | - | - | - | - | - | - | 11000 | - |
| purchasesOfInvestments | - | -7.46M | -16.26M | -1.51M | -1.27M | - | -4.98M | -2.9M | - | - |
| salesMaturitiesOfInvestments | 2.15M | 2.16M | 968K | 807K | 710K | 2.36M | 1.72M | 597K | 44.06M | 4.74M |
| otherInvestingActivities | 5.68M | -5.65M | 2.69M | -1.55M | 2.16M | -1.22M | -12.86M | -9.7M | 1.15M | -9.34M |
| netCashProvidedByInvestingActivities | 7.83M | -10.96M | -12.69M | -2.28M | 1.54M | 1.08M | -16.24M | -12.22M | 45.2M | -4.61M |
| netDebtIssuance | -5M | - | 5M | - | - | 23.79M | -793K | -9.21M | 10M | - |
| longTermNetDebtIssuance | -5M | - | 5M | - | - | 23.79M | -793K | -9.21M | 10M | - |
| shortTermNetDebtIssuance | - | - | - | - | - | - | - | - | - | - |
| netStockIssuance | -260K | -807K | -171K | -742K | -866K | -1.42M | -933K | -948K | -2.46M | -979K |
| netCommonStockIssuance | -260K | -807K | -171K | -742K | -866K | -1.42M | -933K | -948K | -2.46M | -979K |
| commonStockIssuance | - | - | - | - | - | - | - | - | - | - |
| commonStockRepurchased | -260K | -807K | -171K | -742K | -866K | -1.42M | -933K | -948K | -2.46M | -979K |
| netPreferredStockIssuance | - | - | - | - | - | - | - | - | - | - |
| netDividendsPaid | - | - | - | - | - | - | - | - | - | - |
| commonDividendsPaid | - | - | - | - | - | - | - | - | - | - |
| preferredDividendsPaid | - | - | - | - | - | - | - | - | - | - |
| otherFinancingActivities | 10.1M | -1.1M | 4.16M | 1.61M | -5.08M | -25.56M | -12.63M | 20.43M | 4.02M | 10.4M |
| netCashProvidedByFinancingActivities | 4.84M | -1.9M | 8.99M | 871K | -5.94M | -3.18M | -14.36M | 10.27M | 11.56M | 9.42M |