Quarterly report pursuant to Section 13 or 15(d)

Financing Transactions - (Details)

v3.19.2
Financing Transactions - (Details) - USD ($)
6 Months Ended
Jun. 30, 2019
Dec. 31, 2018
May 11, 2018
Financing Transactions [Line items]      
Gross proceeds from sale of securities $ 39,000,000    
Interest rate (as a percent)     4.00%
Net proceeds from sale of securities 37,200,000    
Debt Issuance Costs, Net 31,942 $ 553,597  
At the Market Offering [Member]      
Financing Transactions [Line items]      
Proceeds from sale of commons stock $ 16,000,000    
Number of shares 3,466,965    
Unsecured Unsubordinated Notes Due June 30, 2024 [Member]      
Financing Transactions [Line items]      
Proceeds from sale of unsecured, unsubordinated notes $ 23,000,000    
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 $ 1,270,000