Quarterly report pursuant to Section 13 or 15(d)

Financing Transactions (Details)

v3.19.3
Financing Transactions (Details) - USD ($)
9 Months Ended
Sep. 30, 2019
Dec. 31, 2018
May 11, 2018
Financing Transactions [Line items]      
Gross proceeds from sale of securities $ 55,700,000    
Proceeds from sale of commons stock $ 11,500,000    
Sale of common stock (in shares) 2,300,000    
Gross proceeds from warrants $ 82,035    
Warrants 16,407    
Interest rate (as a percent)     4.00%
Net proceeds from sale of securities $ 31,500,000    
Debt Issuance Costs, Net 38,351 $ 553,597  
At the Market Offering [Member]      
Financing Transactions [Line items]      
Proceeds from sale of commons stock $ 20,465,203    
Sale of common stock (in shares) 4,340,456    
Unsecured Unsubordinated Notes Due June 30, 2024 [Member]      
Financing Transactions [Line items]      
Proceeds from sale of unsecured, unsubordinated notes $ 23,663,000    
Interest rate (as a percent) 7.125%    
Notes issued denomination $ 25.00    
Threshold percentage of taxable income to prohibit distribution 90.00%    
Threshold asset coverage ratio 150.00%    
Period of written notice to redeem notes without premium or penalty 30 days    
Debt Issuance Costs, Net $ 1,200,000