NOTES PAYABLE AND LONG-TERM DEBT (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016	Jun. 30, 2016
Long-term debt [Abstract]
Total long-term debt	$ 2,603
Less: current portion	601		$ 0
Long-term debt, net of current portion	2,002		$ 0
Unsecured Note Payable [Member]
Long-term debt [Abstract]
Monthly payments	$ 7
Maturity date	Sep. 30, 2018
Total long-term debt	$ 104
Term Loan [Member]
Line of Credit Facility [Line Items]
Maturity period	5 years
Interest rate	3.63%
Long-term debt [Abstract]
Monthly payments	$ 43
Maturity date	Mar. 31, 2022
Total long-term debt	$ 2,499
Credit Agreement [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 14,000
Percentage of eligible accounts receivable considered for borrowing base	80.00%
Percentage of eligible inventory considered for borrowing base	50.00%
Amount of convenant for borrowing base	$ 3,000
Unused capacity, commitment fee percentage	0.25%
Remaining borrowing capacity	$ 11,500
Basis spread of variable rate	0.00%
Credit Agreement [Member] | Minimum [Member]
Line of Credit Facility [Line Items]
Debt service coverage ratio	1.15
Credit Agreement [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Debt cash flow leverage ratio	3.5
Debt cash flow of leverage ratio as on December 31, 2017	3.25
Decrease in cash flow of leverage ratio as on March 31, 2018	3.0
Credit Agreement [Member] | LIBOR [Member]
Line of Credit Facility [Line Items]
Debt instrument, term of variable rate	1 month
Basis spread of variable rate	2.50%
Credit Agreement [Member] | LIBOR [Member] | Maximum [Member]
Line of Credit Facility [Line Items]
Basis spread of variable rate	3.00%
Credit Agreement [Member] | Working Capital [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 6,000
Remaining borrowing capacity	6,000
Credit Agreement [Member] | Letters of Credit [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	2,000
Amount outstanding	10
Credit Agreement [Member] | Acquisitions [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity	$ 8,000
Percentage of portion allocated to acquisition purchase price	75.00%
Remaining borrowing capacity	$ 5,500
Prior Credit Agreement [Member]
Line of Credit Facility [Line Items]
Maximum borrowing capacity		$ 9,000
Line of credit facility outstanding		$ 0
Long-term debt [Abstract]
Maturity date	Apr. 09, 2018