Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details)

v3.3.1.900
Income Taxes (Details) - USD ($)
 12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Operating Loss Carryforwards [Line Items]    
Material adjustment in unrecognized tax benefits $ 0  
Unrecognized tax benefits 0  
Unrecognized tax benefits interest and penalties accrued 0  
Deferred tax assets:    
Net operating losses 20,350,451 $ 16,113,309
Research and development credits 1,814,296 1,640,277
Deferred rent 15,599 17,844
Accrued compensation 438,351 31,060
Stock compensation 1,500,520 1,349,899
Basis difference in tangible and intangible assets 207,157 340,570
Total deferred tax assets 24,326,374 19,492,959
Less valuation allowance (24,326,374) $ (19,492,959)
Increase in valuation allowance 4,800,000  
Federal    
Deferred tax assets:    
Research and development credits 400,000  
Maryland    
Deferred tax assets:    
Research and development credits 1,400,000  
Federal And Maryland    
Deferred tax assets:    
Net operating loss carryforwards $ 51,600,000