Annual report pursuant to Section 13 and 15(d)

Consolidated Balance Sheets (Parenthetical)

v3.8.0.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
 12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Accumulated depreciation, leased property $ 72,155,753 $ 52,219,717
Accumulated depreciation, property and equipment 12,643,636 9,292,712
Accumulated amortization, Deferred costs 623,764 2,261,151
Reserve for financing notes and related accrued interest receivable 4,100,000 4,100,000
Secured debt, related party $ 0 $ 8,860,577
Preferred stock, par value (in dollars per share) $ 0.001  
Preferred stock, authorized (in shares) 10,000,000  
Capital stock non-convertible, par value (in dollars per share) $ 0.001 $ 0.001
Capital stock non-convertible, shares issued (in shares) 11,915,830 11,886,216
Capital stock non-convertible, shares outstanding (in shares) 11,915,830 11,886,216
Capital stock non-convertible, shares authorized (in shares) 100,000,000 100,000,000
Series A Cumulative Redeemable Preferred Stock [Member]    
Preferred stock interest rate 7.375%  
Preferred Stock, Liquidation Preference $ 130,000,000 $ 56,250,000
Preferred Stock, Liquidation Preference (in dollars per share) $ 2,500 $ 2,500
Preferred stock, par value (in dollars per share) $ 0.001 $ 0.001
Preferred stock, authorized (in shares) 10,000,000 10,000,000
Preferred stock, issued (in shares) 52,000 22,500
Preferred stock, outstanding (in shares) 52,000 22,500
Convertible Debt [Member]    
Net of discount and debt issuance costs $ 1,967,917 $ 2,755,105
Deferred debt financing costs, net 241,000  
Secured Debt [Member]    
Deferred debt financing costs, net $ 254,646 $ 212,592