STOCKHOLDERS' EQUITY (Details) - USD ($)	1 Months Ended	6 Months Ended		47 Months Ended
	Mar. 22, 2019	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Feb. 22, 2019	Jul. 30, 2015
Equity, Class of Treasury Stock [Line Items]
Authorized amount of stock repurchase program						$ 10,000,000
Stock Repurchased During Period, Shares	246,863
Payments for Repurchase of Common Stock	$ 3,703,000	$ 4,211,000	$ 3,000
Payments for Repurchase of Common Stock, Fees and Expenses	$ 125,000
Common Stock
Equity, Class of Treasury Stock [Line Items]
Approved Tender Offer, Amount					$ 315,000
Approved Tender Offer, Par Value					$ 0.001
Approved Tender Offer, Per Share					$ 15.00
Open Market Repurchases
Equity, Class of Treasury Stock [Line Items]
Treasury Stock Acquired, Average Cost Per Share		$ 3,300
Stock Repurchased During Period, Shares		26,155	220.00
Payments for Repurchase of Common Stock		$ 384,000	$ 3,000
Stock Repurchased and Retired During Period, Shares		2,200
June 30 2015 Authorization
Equity, Class of Treasury Stock [Line Items]
Treasury Stock Acquired, Average Cost Per Share				$ 7,963,000
Treasury Stock, Shares, Acquired				404,580