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Commitments and Contingencies (Details Textual) (USD $)
 1 Months Ended 3 Months Ended
Jun. 24, 2014
Jun. 30, 2014
Two Executives [Member]
    
Commitments And Contingencies [Line Items]    
Severance Costs   $ 1,144,000
Deferred Compensation Arrangement with Individual, Minimum Contractual Term 18 months  
Deferred Compensation Arrangement with Individual, Maximum Contractual Term 24 months  
Employee Agreement [Member] | Chief Financial Officer [Member]
    
Commitments And Contingencies [Line Items]    
Officers' Compensation 225,000  
Severance Payment And Termination Description   (i) a lump severance payment equal to 18 times the average monthly base salary paid to the CFO over the preceding 12 months; (ii) up to one year (the lesser of one year following the date of termination or until the CFO becomes eligible for medical insurance coverage provided by another employer) reimbursement for health care premiums under COBRA; and (iii) automatic vesting of all unvested options and other equity awards
License And Supply Agreement [Member] | Oculus [Member]
    
Commitments And Contingencies [Line Items]    
Supply Commitment, Remaining Minimum Amount Committed   $ 8,000,000