Annual report pursuant to Section 13 and 15(d)

8. Investment in Ruthigen (Details)

v2.4.1.9
8. Investment in Ruthigen (Details) (USD $)
12 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Gain (loss) on deconsolidation of Ruthigen $ 0us-gaap_DeconsolidationGainOrLossAmount $ 11,133,000us-gaap_DeconsolidationGainOrLossAmount
Ruthigen    
Aggregate fair value of consideration received by the Company   0us-gaap_CashDivestedFromDeconsolidation
/ us-gaap_DisposalGroupClassificationAxis
= ocls_RuthigenMember
Fair value of retained non-controlling interest by the Company   10,150,000us-gaap_DeconsolidationRevaluationOfRetainedInvestmentGainOrLossAmount
/ us-gaap_DisposalGroupClassificationAxis
= ocls_RuthigenMember
Carrying amount on non-controlling interest in subsidiary   0us-gaap_NoncontrollingInterestDecreaseFromDeconsolidation
/ us-gaap_DisposalGroupClassificationAxis
= ocls_RuthigenMember
Less: Carrying amount of the Ruthigen assets and liabilities   (983,000)us-gaap_EquityMethodInvestmentSoldCarryingAmount
/ us-gaap_DisposalGroupClassificationAxis
= ocls_RuthigenMember
Gain (loss) on deconsolidation of Ruthigen   $ 11,133,000us-gaap_DeconsolidationGainOrLossAmount
/ us-gaap_DisposalGroupClassificationAxis
= ocls_RuthigenMember