General form of registration statement for all companies including face-amount certificate companies

8. Stock-Based Compensation (Details Narrative)

v2.4.1.9
8. Stock-Based Compensation (Details Narrative) (USD $)
3 Months Ended 6 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Stock based compensation expense $ 456,000us-gaap_AllocatedShareBasedCompensationExpense $ 296,000us-gaap_AllocatedShareBasedCompensationExpense $ 907,000us-gaap_AllocatedShareBasedCompensationExpense $ 483,000us-gaap_AllocatedShareBasedCompensationExpense
Aggregate intrinsic value per share     $ 2.35us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue  
Unrecognized compensation costs related to stock options 3,910,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized   3,910,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized  
Weighted-average amortization period of unrecognized compensation costs     2 years 4 months 17 days  
Stock Options - Non-employees [Member]        
Stock based compensation expense $ 40,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= ocls_StockOptionsNonEmployeesMember
  $ 93,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= ocls_StockOptionsNonEmployeesMember
 
2006 Plan [Member]        
Increase in authorized shares     250,000us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod
/ us-gaap_PlanNameAxis
= ocls_Plan2006Member
 
2011 Plan [Member]        
Increase in authorized shares     1,224,021us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOtherIncreasesDecreasesInPeriod
/ us-gaap_PlanNameAxis
= ocls_Plan2011Member