STOCKHOLDERS' EQUITY - Schedule of Changes in Number of Shares Outstanding (Details) - shares	9 Months Ended
	Sep. 30, 2018	Dec. 31, 2017
Shares issued:
Balance as of January 1	473,000
Issue of shares upon vesting of restricted stock units	268,000
Issue of shares on exercises of stock options	16,000
Issue of shares in the Exchange	41,000
Balance as of September 30	1,859,000
Shares held as treasury stock:
Balance as of January 1	1,901
Purchase of treasury stock	109,000
Balance as of September 30	111,003
Shares outstanding as of September 30	1,747,990	471,177
Series A Preferred Stock
Shares issued:
Issue of shares on the conversion of preferred stock	704,000
Series B Preferred Stock
Shares issued:
Issue of shares on the conversion of preferred stock	225,000
Series C Warrants
Shares issued:
Issue of shares on exercises of warrants	15,000
Series D Warrants
Shares issued:
Issue of shares on exercises of warrants	117,000