Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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STOCKHOLDERS' EQUITY - Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended	12 Months Ended
	Jun. 30, 2019	Mar. 31, 2019	Jun. 30, 2019	May 13, 2019	May 14, 2018
Subsidiary, Sale of Stock
Stock Repurchased During Period, Shares		52,000
Treasury Stock Acquired, Average Cost Per Share			$ 3.29	$ 3.20
Stock Repurchased During Period, Value		$ 171	$ 200	$ 1,800
Warrant exercises (in shares)	40,366
Common Stock[Member]
Subsidiary, Sale of Stock
Stock Repurchase Program Additional Authorized Amount					$ 2,000
Stock Repurchased During Period, Shares			52,000	576,129