Quarterly report pursuant to Section 13 or 15(d)

Subsequent Events (Details)

v3.19.1
Subsequent Events (Details) - USD ($)
1 Months Ended
Dec. 02, 2019
Mar. 06, 2019
Dec. 02, 2018
Mar. 31, 2019
Feb. 25, 2019
Jan. 31, 2019
Convertible Notes Payable [Member]            
Convertible debt           $ 1,000,000
Repayment of principal amount on convertible debt     $ 1,160,000      
Subsequent Event [Member]            
Additional letter of credit provided to DOE       $ 255,708    
Subsequent Event [Member] | Warrant [Member]            
Common stock issuable from warrants   100,000        
Warrant exercise price   $ 6.00        
Warrant term   5 years        
Subsequent Event [Member] | Revolving Credit Facility [Member]            
Line of credit, maximum borrowing capacity   $ 5,000,000        
Interest rate   12.00%        
Maturity date   Sep. 06, 2020        
Upfront payment of facility fee   $ 10,000,000        
Commitment fee percentage, payable quarterly   1.00%        
Subsequent Event [Member] | Convertible Notes Payable [Member]            
Line of credit, maximum borrowing capacity         $ 10,000,000  
Maturity date         Dec. 01, 2019  
Convertible debt         $ 2,000,000  
Repayment of principal amount on convertible debt         1,000,000  
Repayment of accrued interest on convertible debt $ 80,000       $ 80,000