Quarterly report pursuant to Section 13 or 15(d)

Capital Stock (Additional Information) (Detail)

v3.8.0.1
Capital Stock (Additional Information) (Detail) - USD ($)
1 Months Ended 3 Months Ended
Jan. 02, 2015
Jan. 29, 2018
Mar. 31, 2018
Dec. 31, 2017
Preferred Stock Shares Authorized     5,000,000 5,000,000
Stock Issued During Period, Value, New Issues     $ 30,000,000  
Preferred Stock Shares Outstanding     49,626 49,626
Dividends Payable     $ 5,287,899 $ 4,849,063
Common Stock Shares Authorized     100,000,000 100,000,000
Common Stock Shares Issued     27,307,455 24,276,275
Common Stock Shares Outstanding     27,307,455 24,276,275
Common Stock, Par Or Stated Value Per Share     $ 0.001 $ 0.001
Class of Warrant or Right, Exercise Price of Warrants or Rights   $ 10.00    
Proceeds from Issuance or Sale of Equity   $ 28,025,000    
Class of Warrant or Right, Number of Securities Called by Warrants or Rights   1,200,000    
Warrant [Member]        
Number Of Warrant Issued For Purchase Of Each Common Stock   0.4    
Common Stock [Member]        
Stock Issued During Period, Shares, New Issues   3,000,000 3,000,000  
Shares Issued, Price Per Share   $ 10.00    
Stock Issued During Period, Value, New Issues   $ 30,000,000 $ 3,000  
Series A Preferred Stock [Member]        
Conversion of Stock, Description Each share of Series A Preferred Stock is convertible, at the option of the Series A holder, into 100 shares of the Company’s common stock (determined by dividing the Series A Original Issue Price of $500 by the Series A Conversion Price). The Series A Conversion Price is $5.00, subject to adjustment in the event of stock splits, dividends or other combinations.      
Preferred Stock, Dividend Rate, Percentage     6.00%  
Series A Preferred Stock [Member] | Corporation [Member]        
Stock Issued During Period, Shares, New Issues 49,626      
Shares Issued, Price Per Share $ 500      
Stock Issued During Period, Value, New Issues $ 24,813,000