Annual report pursuant to Section 13 and 15(d)

STOCKHOLDERS' EQUITY (Details Textual)

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STOCKHOLDERS' EQUITY (Details Textual) - USD ($)
 1 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Nov. 01, 2016
Oct. 19, 2017
Nov. 23, 2016
Jun. 30, 2016
Sep. 30, 2016
Dec. 31, 2017
Dec. 31, 2016
Stock Issued During Period, Shares, New Issues   5,750,000          
Stock Issued During Period, Value, New Issues   $ 92,000,000          
Shares Issued, Price Per Share   $ 16.00          
Proceeds from Warrant Exercises       $ 900,000 $ 5,000,000    
Class of Warrant or Right, Exercise Price of Warrants or Rights       $ 5.00 $ 8.00   $ 5
Class of Warrant or Right, Outstanding           2,934,685  
Capital Units [Member]              
Class of Warrant or Right, Exercise Price of Warrants or Rights           $ 6.05  
Class of Warrant or Right, Outstanding           20,000  
Class Of Warrants Or Right Expiration Date           Jul. 31, 2020  
May Financing Agent Warrants [Member]              
Class of Warrant or Right, Exercise Price of Warrants or Rights [1]           $ 11.00  
Class of Warrant or Right, Outstanding [1]           50,000  
Class Of Warrants Or Right Expiration Date [2]           May 11, 2020  
December Financing [Member]              
Class of Warrant or Right, Exercise Price of Warrants or Rights [3]           $ 5.00  
Class of Warrant or Right, Outstanding [3]           2,395,949  
Class Of Warrants Or Right Expiration Date [4]           Dec. 24, 2019  
December Financing Agent Warrants [Member]              
Class of Warrant or Right, Exercise Price of Warrants or Rights [3]           $ 5.00  
Class of Warrant or Right, Outstanding [3]           68,735  
Class Of Warrants Or Right Expiration Date [4]           Dec. 18, 2019  
Series B Private Placement [Member]              
Class of Warrant or Right, Exercise Price of Warrants or Rights [5]           $ 25.00  
Class of Warrant or Right, Outstanding [5]           400,001  
Class Of Warrants Or Right Expiration Date [6]           Oct. 24, 2018  
Common Stock [Member]              
Stock Issued During Period, Shares, New Issues 6,000,000   293,889        
Share Price $ 7.00   $ 7.00        
Proceeds from Issuance or Sale of Equity     $ 44,057,000        
[1] In connection with the offering on July 31, 2015, the placement agent received warrants to purchase 20,000 share of common stock at $6.05 per share. The warrants are exercisable and expire on July 31, 2020.
[2] In connection with the offering on May 11, 2015, the placement agent received warrants to purchase 50,000 share of common stock at $11.00 per share. The warrants are exercisable and expire on May 11, 2020.
[3] In connection with an offering on December 24, 2014, warrants to purchase 3,500,000 shares of common stock at $5.00 per share were purchased and issued for $0.01 per warrant. All of the warrants are exercisable and expire on December 24, 2019. At December 31, 2017, 2,395,949 warrants are outstanding. Also in connection with the offering on December 24, 2014, the underwriter received warrants to purchase 68,735 shares of common stock at $5.00 per share. The warrants are exercisable and expire on December 18, 2019.
[4] In connection with an offering on December 24, 2014, warrants to purchase 3,500,000 shares of common stock at $5.00 per share were purchased and issued for $0.01 per warrant. All of the warrants are exercisable and expire on December 24, 2019. At December 31, 2017, 2,395,949 warrants are outstanding. Also in connection with the offering on December 24, 2014, the underwriter received warrants to purchase 68,735 shares of common stock at $5.00 per share. The warrants are exercisable and expire on December 18, 2019.
[5] In connection with a private placement offering on October 25, 2012, warrants to purchase 400,001 shares of common stock at $25.00 per share were issued. All of the warrants are exercisable and expire on October 24, 2018.
[6] In connection with a private placement offering on October 25, 2012, warrants to purchase 400,001 shares of common stock at $25.00 per share were issued. All of the warrants are exercisable and expire on October 24, 2018.