Quarterly report pursuant to Section 13 or 15(d)

Common and Preferred Stock (Details Textual)

v3.8.0.1
Common and Preferred Stock (Details Textual) - USD ($)
3 Months Ended 12 Months Ended
Sep. 11, 2017
Aug. 05, 2016
Mar. 31, 2018
Mar. 31, 2017
Dec. 31, 2017
Preferred Stock, Dividend Rate, Percentage     2.00%    
Preferred Stock Dividends, Income Statement Impact     $ 59,000 $ 0 $ 6,900,000
Dividends Payable, Current     $ 59,000   $ 73,000
Fbr Capital Markets Co [Member]          
Stock Issued During Period, Value, New Issues   $ 40,000,000      
Brokerage Commission percentage   3.00%      
Series A Preferred Stock [Member]          
Preferred Stock, Dividend Rate, Percentage 2.00%        
Preferred Stock Conversion Price Per Share $ 0.54        
Preferred Stock, Redemption Terms (i) the VWAP (as defined in the Certificate of Designation) for at least 20 trading days in any 30 trading day period is greater than $2.00, subject to adjustment in the case of stock split, stock dividends or the like the Company has the right, after providing notice not less than 6 months prior to the redemption date, to redeem, in whole or in part, on a pro rata basis from all holders thereof based on the number of shares of Series A Preferred Stock then held, the outstanding Series A Preferred Stock, for cash, at a redemption price per share of Series A Preferred Stock of $225.00, subject to appropriate adjustment in the event of any stock dividend, stock split, combination or other similar recapitalization with respect to the Series A Convertible Preferred Stock or (ii) the five year anniversary of the issue date, the Company shall have the right to redeem, in whole or in part, on a pro rata basis from all holders thereof based on the number of shares of Series A Convertible Preferred Stock then held, the outstanding Series A Preferred Stock, for cash, at a redemption price per share equal to the Liquidation Value.        
Series A Preferred Stock [Member] | Private Placement [Member]          
Stock Issued During Period, Shares, New Issues 120,000        
Preferred Stock, Par or Stated Value Per Share $ 0.001        
Proceeds from Issuance of Convertible Preferred Stock $ 12,000,000        
Sale of Stock, Consideration Received Per Transaction $ 100