Annual report pursuant to Section 13 and 15(d)

STOCK WARRANTS (Details Textual)

v3.3.1.900
STOCK WARRANTS (Details Textual) - USD ($)
 1 Months Ended 12 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Apr. 30, 2013
Jan. 31, 2013
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Class of Warrant or Right [Line Items]              
Warrants Expired Number Of Warrants 14,538 750       48,240 3,185
Warrants Exercise Price (in dollars per share) $ 20.00 $ 20.00          
Warrants Issued During Period To Purchase Common Stock       10,800      
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 12.00     $ 4.25
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Warrants Issued             2,680,000
Share-Based Compensation         $ 4,389,000 $ 3,088,000 $ 1,717,000
Warrants Expiration Period             5 years
Common Stock [Member]              
Class of Warrant or Right [Line Items]              
Stock Issued During Period Shares In Exchange For Exercise Of Warrants Transaction         2,000 1,331,911 38,334
Class of Warrant or Right, Exercise Price of Warrants or Rights         $ 4.25    
Warrant [Member]              
Class of Warrant or Right [Line Items]              
Share-Based Compensation             $ 51,000
August 2013 Financing [Member]              
Class of Warrant or Right [Line Items]              
Stock Issued During Period Shares In Exchange For Exercise Of Warrants Transaction             884,885
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 4.25
Financing Arrangements [Member]              
Class of Warrant or Right [Line Items]              
Stock Issued During Period Shares In Exchange For Exercise Of Warrants Transaction           33,678 1,672
Class of Warrant or Right, Exercise Price of Warrants or Rights           $ 4.25  
Financing Arrangements [Member] | August 2013 Financing [Member]              
Class of Warrant or Right [Line Items]              
Class of Warrant or Right, Exercise Price of Warrants or Rights             $ 4.25
December 2012 Financing [Member] | Class B Warants [Member]              
Class of Warrant or Right [Line Items]              
Stock Issued During Period Shares In Exchange For Exercise Of Warrants Transaction     38,334       70,031
Class of Warrant or Right, Exercise Price of Warrants or Rights     $ 8.00       $ 8.00
Underwriters [Member]              
Class of Warrant or Right [Line Items]              
Noncash or Part Noncash Acquisition, Noncash Financial or Equity Instrument Consideration, Warrants Issued             509,200