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Stock Option Plans (Details) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of Options, Exercised | (75,000)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | (56,666)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |
Exercise of stock options, shares | 75,000 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised | 56,666 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised |
Option Activity for Non-Employees |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of Options, Beginning Balance | 173,332 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 239,999 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Number of Options, Forfeited or expired | 5,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | (66,667)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Number of Options, Ending Balance | 16,666 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 173,332 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 239,999 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember
Number of Options, Exercisable, Ending Balance | 1,666 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 173,332 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 234,442 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember
Weighted Averaged Exercise Price, Beginning Balance | $ 0.48 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | $ 1.56 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Ending Balance | $ 1.27 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | $ 0.48 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | $ 1.56 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember
Weighted Averaged Exercise Price, Exercisable, Ending Balance | $ 1.24 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | $ 0.48 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | $ 1.57 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember
Weighted Average Remaining Contractual Life (Years), Outstanding | 7 months 13 days | 7 months 2 days | 1 year 3 months 26 days
Weighted Average Remaining Contractual Life (Years), Exercisable | 7 months 13 days | 7 months 2 days |
Aggregate Intrinsic Options Value, Beginning Balance | $ 210,833 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |  |
Aggregate Intrinsic Options Value, Exercisable, Beginning Balance | 201,833 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |  |
Aggregate Intrinsic Options Value, Ending Balance | 17,166 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 210,833 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Aggregate Intrinsic Options Value, Exercisable, Ending Balance | 1,716 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 201,833 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Number of Options, Exercisable, Beginning Balance | 173,332 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 234,442 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Exercisable, Beginning Balance | $ 0.48 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | $ 1.57 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Forfeited | $ 1.15 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | $ 2.50 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Employee Stock Option |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of Options, Beginning Balance | 1,484,499 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 1,283,741 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Number of Options, Granted | 390,470 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 309,090 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Number of Options, Exercised | (312,293)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | (56,666)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Number of Options, Forfeited or expired | (90,546)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | (51,666)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Number of Options, Ending Balance | 1,472,130 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 1,484,499 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 1,283,741 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
Number of Options, Exercisable, Ending Balance | 1,036,185 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 1,115,006 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Weighted Averaged Exercise Price, Beginning Balance | $ 1.03 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 0.79 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Weighted Averaged Exercise Price, Granted | $ 2.25 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 1.62 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Weighted Averaged Exercise Price, Exercised | $ 0.93 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Weighted Averaged Exercise Price, Forfeited or expired | $ 1.30 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 0.99 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Weighted Averaged Exercise Price, Ending Balance | $ 0.79 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 1.03 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 0.79 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
Weighted Averaged Exercise Price, Exercisable, Ending Balance | $ 1.10 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | $ 0.99 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Weighted Average Remaining Contractual Life (Years), Outstanding | 2 years 10 months 17 days | 3 years 26 days | 3 years 7 months 13 days
Weighted Average Remaining Contractual Life (Years), Granted | 5 years | 4 years 4 months 17 days |
Weighted Average Remaining Contractual Life (Years), Exercisable | 2 years 4 months 28 days | 2 years 5 months 5 days |
Aggregate Intrinsic Options Value, Ending Balance | 1,430,231 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Aggregate Intrinsic Options Value, Exercisable, Ending Balance | $ 1,244,074 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Number of Options, Exercisable, Beginning Balance | 1,115,006 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Weighted Averaged Exercise Price, Exercisable, Beginning Balance | $ 0.99 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |  |
Exercise of stock options, shares | 312,293 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember | 56,666 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember |
Vested Options |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of Options, Beginning Balance | 1,115,006 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | 849,066 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Number of Options, Exercised | (312,293)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | (56,666)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Number of Options, Ending Balance | 1,036,185 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | 1,115,006 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Weighted Averaged Exercise Price, Beginning Balance | $ 0.97 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | $ 0.81 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Weighted Averaged Exercise Price, Exercised | $ 0.93 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |  |
Weighted Averaged Exercise Price, Forfeited or expired | $ 1.30 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | $ 0.96 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Weighted Averaged Exercise Price, Ending Balance | $ 1.11 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | $ 0.97 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Number of Options, Vested | 324,018 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | 369,272 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Number of Options, Forfeited | (90,546)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | (46,666)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Weighted Averaged Exercise Price, Vested | $ 1.45 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | $ 1.19 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Exercise of stock options, shares | 312,293 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember | 56,666 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember |
Vested Options | Option Activity for Non-Employees |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of Options, Beginning Balance | 173,332 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 234,442 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Number of Options, Exercised | (15,166)us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |  |
Number of Options, Forfeited or expired | 5,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 667 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriod / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Number of Options, Ending Balance | 16,666 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 173,332 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Beginning Balance | $ 0.48 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | $ 1.57 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Exercised |  | $ 0.38 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Forfeited or expired |  | $ 2.50 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Ending Balance | $ 1.27 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | $ 0.48 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Number of Options, Vested |  | 5,557 us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Vested |  |  | $ 1.27 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember
Exercise of stock options, shares | 15,166 us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised / us-gaap_AwardTypeAxis = mlss_VestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |  |
Nonvested Options |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of Options, Beginning Balance | 369,493 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember | 434,675 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Number of Options, Granted | 390,470 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember | 309,090 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Number of Options, Ending Balance | 435,945 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember | 369,493 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Weighted Averaged Exercise Price, Beginning Balance | $ 1.22 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember | $ 0.91 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Weighted Averaged Exercise Price, Granted | $ 2.18 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember | $ 1.62 us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Weighted Averaged Exercise Price, Forfeited or expired |  | $ 1.00 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresAndExpirationsInPeriodWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Weighted Averaged Exercise Price, Ending Balance | $ 1.87 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember | $ 1.22 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Number of Options, Vested | (324,018)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember | (369,272)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Number of Options, Forfeited |  | (5,000)us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Weighted Averaged Exercise Price, Vested | $ 1.45 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember | $ 1.19 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember |
Nonvested Options | Option Activity for Non-Employees |  |  |
Share Based Compensation Arrangement By Share Based Payment Award [Line Items] |  |  |
Number of Options, Beginning Balance |  | 5,557 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Number of Options, Granted | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember | 0 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Beginning Balance |  | $ 1.27 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Number of Options, Vested |  | (5,557)us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |
Weighted Averaged Exercise Price, Vested |  | $ 1.27 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = mlss_NonvestedOptionsMember / us-gaap_PlanNameAxis = mlss_OptionActivityForNonEmployeesMember |

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- Definition Share based payment award options grants in period weighted average remaining contractual term. + References No definition available. + Details
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Namespace Prefix: | mlss_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

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- Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition Weighted average price of options that were either forfeited or expired. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3)-(4) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1)(iv)(3) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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- Definition As of the balance sheet date, the weighted-average exercise price (at which grantees can acquire the shares reserved for issuance) for exercisable stock options that are fully vested or expected to vest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (e)(2) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
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