Annual report pursuant to Section 13 and 15(d)

Income Taxes (Details Textual)

v3.6.0.2
Income Taxes (Details Textual) - USD ($)
 12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Income Taxes [Line Items]    
Operating Loss Carryforwards, Expiration Period 2036  
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount $ 4,809,000 $ 2,478,000
Domestic Tax Authority [Member]    
Income Taxes [Line Items]    
Operating Loss Carryforwards 45,115,000  
State and Local Jurisdiction [Member]    
Income Taxes [Line Items]    
Operating Loss Carryforwards 33,545,000  
Foreign Tax Authority [Member]    
Income Taxes [Line Items]    
Operating Loss Carryforwards $ 3,363,000  
Research Tax Credit Carryforward [Member]    
Income Taxes [Line Items]    
Operating Loss Carryforwards, Expiration Period 2036  
Research Tax Credit Carryforward [Member] | Domestic Tax Authority [Member]    
Income Taxes [Line Items]    
Tax Credit Carryforward, Amount $ 1,313,000  
Research Tax Credit Carryforward [Member] | State and Local Jurisdiction [Member]    
Income Taxes [Line Items]    
Tax Credit Carryforward, Amount 459,000  
Research Tax Credit Carryforward [Member] | Foreign Tax Authority [Member]    
Income Taxes [Line Items]    
Tax Credit Carryforward, Amount $ 25,000