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Summary of Significant Accounting Policies (Details Narrative) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Accounts receivable
Contract liabilities 5,000,000  
Depreciation $ 130,000 $ 326,000
Number of shares of common stock issuable upon exercise of warrants and equity awards 4,764,405 3,761,844
Right-of-use assets $ 1,100,000  
Related lease liabilities 1,300,000  
New Jersey [Member]    
Tax benefits of EDA 11,100,000  
Net proceeds from sale of net operating losses $ 10,400,000  
Minimum [Member]    
Property, Plant and Equipment, Useful Life 3 years  
Maximum [Member]    
Property, Plant and Equipment, Useful Life 7 years  
Hisun Agreement [Member]    
Contract liabilities $ 1,500,000 $ 2,000,000