Quarterly report pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies (Details Narrative)

v3.10.0.1
Summary of Significant Accounting Policies (Details Narrative) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Apr. 03, 2018
Feb. 16, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Sep. 30, 2018
Sep. 30, 2017
Dec. 31, 2017
Apr. 09, 2018
Dec. 31, 2016
Cash     $ 21,304,407     $ 9,062     $ 21,304,407 $ 9,062 $ 185,151   $ 5,898
Working capital     16,955,916           16,955,916        
Accumulated deficit     157,599,908           157,599,908   156,435,278    
Net income (loss)     2,135,933 $ 1,232,785 $ (2,204,088) 93,620,432 $ 4,416,167 $ 3,097,732 1,164,630 101,134,331      
Number of common stock shares issued under public offering 25,668                        
Number of warrants to purchase shares of common stock                       1,030,115  
Gross proceeds from public offering [1]                 16,243,055      
Proceeds from warrants exercised                 17,143,056      
Cash balances in excess of FDIC insurance limits     20,667,432           20,667,432   0    
Revenue recognition, contract liabilities                 307,134        
Deferred revenue     67,511           237,511        
Revenues     546,844     $ 606,899     1,767,182 $ 1,735,493      
Held in money market     $ 18,024,063           18,024,063      
Rebate Revenue [Member]                          
Deferred revenue                 $ 112,780   $ 181,913    
Sales Revenue, Net [Member] | One Customer [Member]                          
Concentration risk, percentage     11.00%     10.00%       10.00%      
Sales Revenue, Net [Member] | One Customer [Member] | Maximum [Member]                          
Concentration risk, percentage                 10.00%        
Accounts Receivable [Member] | One Customer [Member]                          
Concentration risk, percentage                 10.00%   10.00%    
Accounts Receivable [Member] | Another Significant Customer [Member]                          
Concentration risk, percentage                 44.00%   32.00%    
Grant and Rebate [Member]                          
Revenues     $ 6,724     $ 14,978     $ 68,062 $ 93,798      
One Share and Two Warrants [Member]                          
Shares issued price per share   $ 4.25                      
Warrants [Member]                          
Number of common stock shares issued under public offering                 4,033,660        
Number of warrants to purchase shares of common stock                       1,703,429  
Warrants exercise price per share     $ 4.25           $ 4.25     $ 4.25  
Proceeds from warrants exercised                 $ 17,143,056        
Public Offering [Member]                          
Number of common stock shares issued under public offering   4,353,000                      
Number of warrants to purchase shares of common stock   8,706,000                      
Gross proceeds from public offering   $ 18,504,320                      
Net proceeds from public offering   14,880,815                      
Underwriting discounts, commissions and other offering expenses   $ 3,623,505                      
Warrants exercise price per share   $ 4.25                      
Public Offering [Member] | Warrants [Member]                          
Number of shares issued pursuant to exercise of warrants                 4,033,660        
Warrants exercise price per share     $ 4.25           $ 4.25        
[1] Includes gross proceeds of $18,504,320, less issuance costs of $2,261,265 deducted directly from the offering proceeds.