FBR Sales Agreement (Details Textual) - Fbr Capital Markets Co [Member] - USD ($)		1 Months Ended	3 Months Ended
	Aug. 05, 2016	Apr. 30, 2017	Mar. 31, 2017
Federal Board Revenue Sales Agreement [Line Items]
Stock Issued During Period, Value, New Issues	$ 40,000,000
Brokerage Commission percentage	3.00%
Stock Issued During Period, Shares, New Issues			344,724
Proceeds from Issuance of Common Stock			$ 269,000
Subsequent Event [Member]
Federal Board Revenue Sales Agreement [Line Items]
Stock Issued During Period, Shares, New Issues		3,958,000
Proceeds from Issuance of Common Stock		$ 2,200,000