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Commitments and Contingencies (Details Textual) - USD ($)
1 Months Ended
Jul. 31, 2015
Jun. 30, 2015
Mar. 31, 2014
Jun. 30, 2016
Loss Contingencies [Line Items]        
Tenant improvements       $ 1,100,000
Plymouth Meeting, Pennsylvania [Member]        
Loss Contingencies [Line Items]        
Initial lease term     11 years 6 months  
Security deposit     $ 49,000  
Increase to monthly payment $ 16,000      
San Diego, California [Member]        
Loss Contingencies [Line Items]        
Tenant improvements       $ 773,000
Increase to monthly payment   $ 13,000    
Minimum [Member] | Plymouth Meeting, Pennsylvania [Member]        
Loss Contingencies [Line Items]        
Monthly payments under the lease     0  
Maximum [Member] | Plymouth Meeting, Pennsylvania [Member]        
Loss Contingencies [Line Items]        
Monthly payments under the lease     $ 58,000