STOCKHOLDERS' EQUITY (Details) - USD ($)				1 Months Ended		9 Months Ended
	Oct. 02, 2017	Sep. 28, 2017	Feb. 22, 2017	Sep. 30, 2017	Feb. 28, 2017	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Class of Stock [Line Items]
Common stock, shares authorized				47,000,000		47,000,000		47,000,000
Proceeds from the sale of common stock from private placement offering						$ 15,025,000	$ 5,177,000
Net proceeds from units issued in the period				$ 7,500,000		15,025,000
Shelf registration statement, public offerings, maximum aggregate proceeds				$ 35,000,000.0		$ 35,000,000.0
Preferred stock, shares authorized				3,000,000		3,000,000		3,000,000
Capital Units
Class of Stock [Line Items]
New shares issued						2,715,000
Net proceeds from units issued in the period						$ 11,500,000
Value of capital shares reserve for future issuance				$ 23,500,000		$ 23,500,000
Investor | Capital Units
Class of Stock [Line Items]
Share price (in dollars per share)			$ 4.61
Proceeds from the sale of common stock from private placement offering			$ 7,500,000
Net proceeds from units issued in the period			$ 29,000
Investor | 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		30 months
Institutional and Individual Investors | Capital Units
Class of Stock [Line Items]
Share price (in dollars per share)		$ 4.70
Institutional and Individual Investors | Common stock warrants
Class of Stock [Line Items]
Warrant exercise price		$ 4.85
Warrant term, period end after closing		3 years
Placement Agent | Capital Units
Class of Stock [Line Items]
Share price (in dollars per share)		$ 4.85
Placement Agent | Common stock warrants
Class of Stock [Line Items]
Warrant term, period start after closing		6 months			6 months
Warrant term, period end after closing		3 years
Private Placement Warrants - 2016 | Private Placement Warrants | Investor | Capital Units
Class of Stock [Line Items]
New shares issued			1,626,898		1,626,898
Private Placement Warrants - 2016 | Private Placement Warrants | Institutional and Individual Investors | Capital Units
Class of Stock [Line Items]
New shares issued		1,976,919
Private Placement Warrants - 2016 | Private Placement Warrants | Placement Agent | Capital Units
Class of Stock [Line Items]
New shares issued		98,846
Private Placement, Offering One | Institutional and Individual Investors | Capital Units
Class of Stock [Line Items]
Sold in private placement		1,745,581
Proceeds from the sale of common stock from private placement offering		$ 8,200,000
Proceeds from issuance of private placement, net of offering costs		$ 7,500,000
Subsequent Event | Placement Agent | Common stock warrants
Class of Stock [Line Items]
Warrant term, period end after closing	3 years
Subsequent Event | Private Placement, Offering One | Placement Agent | Common stock warrants
Class of Stock [Line Items]
Sold in private placement	87,279
Subsequent Event | Private Placement, Offering Two | Institutional and Individual Investors | Capital Units
Class of Stock [Line Items]
Sold in private placement	231,338
Proceeds from the sale of common stock from private placement offering	$ 1,100,000
Proceeds from issuance of private placement, net of offering costs	$ 1,000,000
Subsequent Event | Private Placement, Offering Two | Placement Agent | Common stock warrants
Class of Stock [Line Items]
Sold in private placement	11,567