Quarterly report pursuant to Section 13 or 15(d)

8. Stock-Based Compensation (Details Narrative)

v2.4.1.9
8. Stock-Based Compensation (Details Narrative) (USD $)
3 Months Ended 9 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2014
Dec. 31, 2013
Stock based compensation expense $ 447,000us-gaap_AllocatedShareBasedCompensationExpense $ 291,000us-gaap_AllocatedShareBasedCompensationExpense $ 1,354,000us-gaap_AllocatedShareBasedCompensationExpense $ 772,000us-gaap_AllocatedShareBasedCompensationExpense
Aggregate intrinsic value per share     $ 1.43us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGrantDateIntrinsicValue  
Unrecognized compensation costs related to stock options 3,273,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized   3,273,000us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized  
Weighted-average amortization period of unrecognized compensation costs     2 years 1 month 10 days  
Stock Options - Non-employees [Member]        
Stock based compensation expense $ 28,000us-gaap_AllocatedShareBasedCompensationExpense
/ us-gaap_AwardTypeAxis
= ocls_StockOptionsNonEmployeesMember
  $ 121,000us-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