STOCKHOLDERS' EQUITY (Details) - USD ($)		1 Months Ended	3 Months Ended
	Feb. 22, 2017	Feb. 28, 2017	Mar. 31, 2017	Mar. 31, 2016	Dec. 31, 2016
Class of Stock [Line Items]
Common stock, shares authorized			47,000,000		47,000,000
Net proceeds from the sale of common stock from private placement offering		$ 7,500,000	$ 7,471,000	$ 0
Net proceeds from units issued in the period			7,471,000
Shelf registration statement, public offerings, maximum aggregate proceeds			$ 35,000,000.0
Preferred stock, shares authorized			3,000,000		3,000,000
Capital Units
Class of Stock [Line Items]
New shares issued			2,715,000
Value of capital shares reserve for future issuance			$ 23,500,000
Net proceeds from units issued in the period			$ 11,500,000
Investors, Executives and Board Members | Capital Units
Class of Stock [Line Items]
Share price (in dollars per share)	$ 4.61
Net proceeds from the sale of common stock from private placement offering	$ 7,500,000
Net proceeds from units issued in the period	$ 29,000
Investors, Executives and Board Members | Common stock warrants
Class of Stock [Line Items]
Warrant exercise price	$ 8.25
Warrant term, period start after closing	6 months
Warrant term, period end after closing	30 months
Private Placement Warrants - 2016 | Private Placement Warrants | Investors, Executives and Board Members | Capital Units
Class of Stock [Line Items]
New shares issued	1,626,898