Quarterly report pursuant to Section 13 or 15(d)

STOCKHOLDERS' EQUITY - Additional Information (Details)

v3.19.3
STOCKHOLDERS' EQUITY - Additional Information (Details)
 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jul. 12, 2018
$ / shares
shares
May 20, 2019
USD ($)
$ / shares
shares
Jul. 31, 2018
USD ($)
$ / shares
shares
Jun. 30, 2019
USD ($)
shares
Sep. 30, 2018
USD ($)
shares
Sep. 30, 2019
USD ($)
$ / shares
shares
Sep. 30, 2018
USD ($)
Dec. 31, 2018
USD ($)
$ / shares
shares
Aug. 31, 2014
shares
Class of Warrant or Right [Line Items]                  
Stock Issued During Period, Shares, New Issues   1,982,000 1,355,000            
Share Price | $ / shares   $ 2.50 $ 10,000            
Gross proceeds from stockholders' equity | $   $ 10,000,000   $ 9,024,569 $ 15,025,077        
Proceeds from issuance of common stock, net of underwriting issuance costs | $   6,000,000       $ 9,024,569 $ 9,075,777    
Proceeds from warrants | $   4,000,000              
Net proceeds from stockholders' equity | $   9,000,000 $ 16,560,000            
Class of Warrant or Right, Number of Securities Called by Warrants or Rights           9,268,352      
Common Stock, Shares Authorized 80,000,000         80,000,000   80,000,000  
Common Stock, Par or Stated Value Per Share | $ / shares $ 0.00001         $ 0.00001   $ 0.00001  
Convertible Preferred Stock, Shares Issued upon Conversion     2,785,000            
Proceeds from Issuance or Sale of Equity | $   $ 9,000,000 $ 16,560,000            
Net Proceeds from Issuance or Sale of Equity After Deducting Underwriting Discounts and Commissions and Related Offering Expenses | $     $ 15,000,000            
Series F warrants                  
Class of Warrant or Right [Line Items]                  
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares   $ 2.40              
Exercise price of warrants (in dollars per share) | $ / shares   2.40              
Series G warrants                  
Class of Warrant or Right [Line Items]                  
Share Price | $ / shares   $ 2.50              
Series E Warrants                  
Class of Warrant or Right [Line Items]                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     2,500            
Series C Preferred Stock                  
Class of Warrant or Right [Line Items]                  
Stock Issued During Period, Shares, New Issues     1,114            
Convertible Preferred Stock, Shares Issued upon Conversion     2,500            
Preferred Stock, Shares Outstanding           215   473  
Preferred Stock Convertible Beneficial Conversion Feature | $           $ 2,241,795      
Stock Issued During Period, Value, Stock Options Exercised | $           $ 258   $ 641  
Series E Warrants                  
Class of Warrant or Right [Line Items]                  
Share Price | $ / shares     $ 4.00            
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares     4.00            
Exercise price of warrants (in dollars per share) | $ / shares     $ 4.00            
Series E Warrants | Warrant [Member]                  
Class of Warrant or Right [Line Items]                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights     4,140,000            
Private placement                  
Class of Warrant or Right [Line Items]                  
Warrants expiration period   5 years              
Class of Warrant or Right, Exercise Price of Warrants or Rights | $ / shares   $ 2.40              
Exercise price of warrants (in dollars per share) | $ / shares   $ 2.40              
Private placement | Series F warrants                  
Class of Warrant or Right [Line Items]                  
Warrants issued   1,982,000              
Private placement | Series G warrants                  
Class of Warrant or Right [Line Items]                  
Stock Issued During Period, Shares, New Issues   2,018,000              
Warrants issued   2,018,000              
August 2014 Public Offering Warrants [Member]                  
Class of Warrant or Right [Line Items]                  
Class of Warrant or Right, Number of Securities Called by Warrants or Rights                 49,425
Minimum                  
Class of Warrant or Right [Line Items]                  
Stockholders' Equity Note, Stock Split, Conversion Ratio 0.2                
Maximum                  
Class of Warrant or Right [Line Items]                  
Stockholders' Equity Note, Stock Split, Conversion Ratio 0.1                
Common Stock [Member]                  
Class of Warrant or Right [Line Items]                  
Stock Issued During Period, Shares, New Issues       4,000,000 1,355,000        
Gross proceeds from stockholders' equity | $       $ 40 $ 14        
Preferred Stock, Shares Outstanding           645,000   1,602,500