Quarterly report pursuant to Section 13 or 15(d)

Debt (Details)

v3.19.3.a.u2
Debt (Details)
1 Months Ended
Mar. 06, 2019
USD ($)
$ / shares
shares
Nov. 05, 2018
USD ($)
$ / shares
shares
Feb. 29, 2012
USD ($)
$ / shares
Mar. 31, 2019
USD ($)
Feb. 28, 2019
USD ($)
Debt Instrument [Line Items]          
Reverse stock split     0.08333    
Loan Agreements          
Debt Instrument [Line Items]          
Stock issued during period, conversion of convertible securities (in shares) | shares 100,000        
Debt instrument, term 5 years        
Warrants granted, exercise price (in dollars per share) | $ / shares $ 6.00        
Loan Agreements | Warrant          
Debt Instrument [Line Items]          
Warrants issued as part of senior secured term loans $ 360,516        
Closing costs treated as debt discounts $ 33,693        
Revolving Credit Facility          
Debt Instrument [Line Items]          
Line of credit, maximum borrowing capacity   $ 5,000,000      
HEMG          
Debt Instrument [Line Items]          
Notes payable         $ 200,000
Leon and Toby Cooperman Family Foundation | Loan Agreements          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage 12.00%        
One-time extension fee (as a percent)       1.00%  
Proceeds from issuance of secured debt $ 5,000,000        
Proceeds from issuance or sale of equity $ 10,000,000     $ 10,000,000  
One-time extension fee (as a percent) 1.00%        
Convertible Promissory Note Dated February 29, 2012          
Debt Instrument [Line Items]          
Face value of loan     $ 50,000    
2 Year Promissory Notes          
Debt Instrument [Line Items]          
Debt instrument, interest rate, stated percentage     0.19%    
Conversion price (in dollars per share) | $ / shares     $ 12.00    
Credit Facility Agreement | Revolving Credit Facility          
Debt Instrument [Line Items]          
Line of credit, maximum borrowing capacity   $ 5,000,000      
Interest rate   12.00%      
One-time upfront facility fee   $ 100,000      
One-time extension fee (as a percent)   2.00%      
Number of securities called by warrants or rights (in shares) | shares   92,049      
Warrant term   5 years      
Exercise price of warrants (in dollars per share) | $ / shares   $ 5.85      
Fair value of warrants outstanding   $ 255,071