STOCKHOLDERS' EQUITY - Warrants (Details) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2017	Jun. 30, 2016	Jun. 30, 2017	Jul. 01, 2016
Registration statement
Warrants issued (in shares)	308,775	0	308,775
Net proceeds from issuance of warrants	$ 27	$ 0	$ 32
Registration Statement
Registration statement
Warrant right to purchase a share of Common Stock (in shares)				0.25
Premium of the exercise price of the warrant as a percent to net asset value of common stock				15.00%