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