Subsequent Events (Details Textual) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Aug. 17, 2017	Jul. 31, 2017	Jan. 31, 2017
Subsequent Event [Line Items]
Common Stock, Shares, Issued		7,663,890	7,620,215
Common Stock, Par Or Stated Value Per Share		$ 0.01	$ 0.01
Subsequent Event [Member]
Subsequent Event [Line Items]
Common Stock, Shares, Issued	725,000
Common Stock, Par Or Stated Value Per Share	$ 0.01
Shares Issued, Price Per Share	13.80
Underwritng Discount Per Share, Shares Sold	$ 0.966
Proceeds from Issuance of Common Stock	$ 9.1
Underwriting Commitments	Pursuant to the Underwriting Agreement, the Underwriters have the option, exercisable for a period of 45-days after execution of the Underwriting Agreement, to purchase up to an additional 108,750 shares of the Common Stock at the Offering Price, which the Underwriters have not exercised.