STOCKHOLDERS' EQUITY (Details Textual) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended		12 Months Ended
	Mar. 10, 2014	Jan. 31, 2016	Jan. 31, 2014	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014	Oct. 31, 2015
Proceeds from Issuance of Common Stock, Net				$ 0	$ 0	$ 46,680
Preferred Stock, Shares Authorized				1,666,667	1,666,667
Preferred Stock, Par or Stated Value Per Share				$ 0.0001	$ 0.0001
Stock Repurchase Program [Member]
Stock Repurchase Program, Authorized Amount							$ 25,000
Stock Repurchased and Retired During Period, Shares		65,000
Stock Repurchased and Retired During Period, Value		$ 2,500
Warrant [Member]
Class of Warrant or Right, Exercise Price of Warrants or Rights			$ 9.00			$ 9.00
Stock Issued During Period Due To Warrant Exercise Number			20,000			63,000
Class Of Warrant Or Right Number Of Securities Called By Warrants That Expired During Period Number					405,000	198,000
Class of Warrant or Right, Outstanding				2,100,000
Class Of Warrant Or Right Issued During Period Number						2,100,000
Common Stock [Member]
Stock Issued During Period, Shares, New Issues	1,600,000					1,613
Shares Issued, Price Per Share	$ 31.00
Proceeds from Issuance of Common Stock	$ 50,000
Proceeds from Issuance of Common Stock, Net	46,700
Payments of Stock Issuance Costs	$ 3,300
Stock Issued During Period Shares New Issues Due to Exercise of Option to Purchase Additional Shares	200,000
Common Stock, Shares Authorized				33,300,000
Common Stock, Par or Stated Value Per Share				$ 0.0001
Common Stock, Shares, Issued				11,600,000	11,500,000
Common Stock, Shares, Outstanding				11,600,000	11,500,000
Class C Special Stock [Member]
Common Stock, Shares Authorized				781,281	781,281
Common Stock, Par or Stated Value Per Share				$ 0.0001	$ 0.0001
Common Stock Conversion Price				$ 90	$ 90.00
Common Stock, Shares, Issued				10,864	10,864
Common Stock, Shares, Outstanding				10,864	10,864
Undesignated Preferred Stock [Member]
Preferred Stock, Shares Authorized				1,700,000
Preferred Stock, Par or Stated Value Per Share				$ 0.0001