LONG TERM DEBT AND NOTES PAYABLE TO BANK (Credit Facility) (Details) (USD $)	6 Months Ended		6 Months Ended		0 Months Ended	6 Months Ended		0 Months Ended	6 Months Ended		0 Months Ended		3 Months Ended	12 Months Ended	0 Months Ended	6 Months Ended				0 Months Ended			0 Months Ended
	Jun. 30, 2013	Dec. 31, 2012	Jun. 30, 2013 Term Loan [Member]	Jul. 30, 2010 Term Loan [Member] installment	Jul. 30, 2010 Revolving Credit Facility [Member]	Jun. 30, 2013 Revolving Credit Facility [Member]	Dec. 31, 2012 Revolving Credit Facility [Member]	Apr. 02, 2013 Revolving Credit Facility [Member] Sixth Amendment [Member]	Jun. 30, 2013 Revolving Credit Facility [Member] Sixth Amendment [Member]	Jun. 18, 2013 Revolving Credit Facility [Member] Sixth Amendment [Member]	Nov. 14, 2012 Revolving Credit Facility [Member] Fifth Amendment [Member]	Aug. 13, 2012 Revolving Credit Facility [Member] Fourth Amendment [Member]	Sep. 30, 2012 Revolving Credit Facility [Member] Fourth Amendment [Member]	Dec. 31, 2012 Revolving Credit Facility [Member] Fourth Amendment [Member]	Mar. 02, 2012 Revolving Credit Facility [Member] Third Amendment Member [Domain]	Jun. 30, 2013 Revolving Credit Facility [Member] Third Amendment Member [Domain]	Jun. 30, 2012 Revolving Credit Facility [Member] Third Amendment Member [Domain]	Nov. 16, 2011 Revolving Credit Facility [Member] Second Amendment [Member]	Apr. 14, 2011 Revolving Credit Facility [Member] First Amendment [Member]	Jul. 30, 2010 Revolving Credit Facility [Member] Original Credit Agreement [Member]	Apr. 02, 2013 Term Loan [Member] Sixth Amendment [Member]	Jun. 30, 2013 Term Loan [Member] Sixth Amendment [Member]	Aug. 13, 2012 Term Loan [Member] Fourth Amendment [Member]	Jun. 30, 2013 Notes Payable to Banks [Member] Term Loan [Member]
Line of Credit Facility [Line Items]
Fixed charge coverage ratio requirement, first quarter of 2013								0.6
Fixed charge coverage ratio requirement, beginning second quarter of 2013								1.20
Interest rate increase								1.75%				0.50%									1.50%		0.50%
Description of variable rate basis						one month LIBOR		one month LIBOR													one month LIBOR
Basis spread on variable rate								5.00%	5.00%												5.00%
Minimum liquidity covenant requirement, first quarter of 2013								$ 3,000,000
Percent of eligible inventory								57.50%		55.00%									60.00%	60.00%
Maximum inventory to calculate borrowing base								12,500,000											18,000,000	17,000,000
Fee to bank								40,000			25,000	25,000			10,000
Decrease in line of credit facility											(5,000,000)	(10,000,000)
Maximum revolving commitment						25,000,000	25,000,000					30,000,000						40,000,000	45,000,000	40,000,000
Fixed charge coverage ratio, third quarter of 2012												1.0								1.20
Fixed charge coverage ratio, fourth quarter of 2012												1.50
Credit facility, interest rate									5.25%			3.50%
Change in unused borrowing percentage															0.25%
Unused borrowing percentage																0.75%
Percent of eligible accounts																			85.00%	85.00%
Eligible inventory, period from invoice date																				90 days
Face amount																								8,800,000
Proceeds from credit facility																				33,400,000
Outstanding balance	22,500,000	25,056,000	4,600,000			17,234,000	18,450,000
Term loan, interest rate																						5.25%	3.75%
Number of original monthly installments				36
Principal and interest			125,000
Percentage of EBITDA			25.00%
Original senior leverage ratio					3.50
Annual senior leverage ratio					4.0
Original fixed charge coverage ratio					1.20
Limitations on capital expenditures					4,000,000
Senior leverage ratio, first quarter 2012																	4.25
Senior leverage ratio, second quarter 2012																	3.50
Senior leverage ratio, third quarter of 2012													4.75
Senior leverage ratio, end of year 2012														3.25
EBITDA to cash payments ratio, actual						0.07
Purchases of property and equipment	435,000
Payments to acquire property, plant, equipment and construction in progress, deposits on equipment	136,500
Remaining borrowing capacity						$ 2,600,000