Annual report pursuant to Section 13 and 15(d)

SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT - Balance Sheet (Details)

v3.10.0.1
SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT - Balance Sheet (Details) - USD ($)
Dec. 31, 2018
Jan. 01, 2018
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Assets          
Leased property, net of accumulated depreciation of $1,112,218 and $927,838 $ 398,214,355   $ 465,956,467    
Cash and cash equivalents 69,287,177   15,787,069 $ 7,895,084 $ 14,618,740
Deferred costs, net of accumulated amortization of $712,182 and $226,342 2,838,443   3,504,916    
Prepaid expenses and other assets 668,584   742,154    
Total Assets 624,883,180   633,418,113    
Liabilities and Equity          
Unsecured convertible senior notes, net of discount and debt issuance costs of $1,180,729 and $1,967,917 112,777,271   112,032,083    
Accounts payable and other accrued liabilities 3,493,490   2,333,782    
Management fees payable 1,831,613   1,748,426    
Total Liabilities 169,871,875   171,632,481    
Equity          
Series A Cumulative Redeemable Preferred Stock 7.375%, $125,555,675 and $130,000,000 liquidation preference ($2,500 per share, $0.001 par value), 10,000,000 authorized; 50,222 and 52,000 issued and outstanding at December 31, 2018 and December 31, 2017, respectively 125,555,675   130,000,000    
Capital stock, non-convertible, $0.001 par value; 11,960,225 and $11,915,830 shares issued and outstanding at December 31, 2018 and December 31, 2017 (100,000,000 shares authorized) 11,960   11,916    
Additional paid-in capital 320,295,969 $ 329,324,471 331,773,716    
Retained earnings 9,147,701   0    
Total Liabilities and Equity 624,883,180   633,418,113    
Parent Company          
Assets          
Leased property, net of accumulated depreciation of $1,112,218 and $927,838 3,681,438   3,865,818    
Investments 415,674,601   479,840,250    
Cash and cash equivalents 64,574,701   6,662,474 $ 5,933,481 $ 10,089,436
Due from subsidiary 10,549,719   7,302,678    
Note receivable from subsidiary 81,000,000   83,250,000    
Deferred costs, net of accumulated amortization of $712,182 and $226,342 1,769,585   2,255,425    
Prepaid expenses and other assets 265,024   197,211    
Total Assets 577,515,068   583,373,856    
Liabilities and Equity          
Unsecured convertible senior notes, net of discount and debt issuance costs of $1,180,729 and $1,967,917 112,777,271   112,032,083    
Accounts payable and other accrued liabilities 1,075,045   987,881    
Management fees payable 1,831,613   1,748,426    
Due to affiliate 153,640   153,640    
Total Liabilities 115,837,569   114,922,030    
Equity          
Series A Cumulative Redeemable Preferred Stock 7.375%, $125,555,675 and $130,000,000 liquidation preference ($2,500 per share, $0.001 par value), 10,000,000 authorized; 50,222 and 52,000 issued and outstanding at December 31, 2018 and December 31, 2017, respectively 125,555,675   130,000,000    
Capital stock, non-convertible, $0.001 par value; 11,960,225 and $11,915,830 shares issued and outstanding at December 31, 2018 and December 31, 2017 (100,000,000 shares authorized) 11,960   11,916    
Additional paid-in capital 326,962,163   338,439,910    
Retained earnings 9,147,701   0    
Total Equity 461,677,499   468,451,826    
Total Liabilities and Equity $ 577,515,068   $ 583,373,856