LONG TERM DEBT AND NOTES PAYABLE TO BANK (Credit Facility) (Details) (USD $)	3 Months Ended		3 Months Ended		0 Months Ended	3 Months Ended		0 Months Ended		3 Months Ended	12 Months Ended		0 Months Ended	3 Months Ended		6 Months Ended			0 Months Ended			0 Months Ended			0 Months Ended
	Mar. 31, 2013	Dec. 31, 2012	Mar. 31, 2013 Term Loan [Member]	Jul. 30, 2010 Term Loan [Member] installment	Jul. 30, 2010 Revolving Credit Facility [Member]	Mar. 31, 2013 Revolving Credit Facility [Member]	Dec. 31, 2012 Revolving Credit Facility [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. 31, 2013 Revolving Credit Facility [Member] Fourth Amendment [Member]	Mar. 02, 2012 Revolving Credit Facility [Member] Third Amendment Member [Domain]	Mar. 31, 2013 Revolving Credit Facility [Member] Third Amendment Member [Domain]	Mar. 31, 2012 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]	Mar. 31, 2013 Term Loan [Member] Fourth Amendment [Member]	Mar. 31, 2013 Notes Payable to Banks [Member] Term Loan [Member]	Apr. 01, 2013 Subsequent Event [Member] Revolving Credit Facility [Member] Sixth Amendment [Member]	May 31, 2013 Subsequent Event [Member] Revolving Credit Facility [Member] Sixth Amendment [Member]	Mar. 31, 2013 Subsequent Event [Member] Revolving Credit Facility [Member] Sixth Amendment [Member]	Apr. 01, 2013 Subsequent Event [Member] Term Loan [Member] Sixth Amendment [Member]
Line of Credit Facility [Line Items]
Fixed charge coverage ratio requirement, current quarter																						0.6
Fixed charge coverage ratio requirement, beginning second quarter of 2013																						1.20
Interest rate increase									0.0050													0.0175			0.0150
Description of variable rate basis						one month LIBOR																one month LIBOR			one month LIBOR
Basis spread on variable rate			0.25%			3.25%																5.00%			5.00%
Minimum liquidity covenant requirement, current quarter																						$ 3,000,000		$ 6,000,000
Percent of eligible inventory																		60.00%	60.00%			57.50%	55.00%
Maximum inventory to calculate borrowing base																		18,000,000	17,000,000			12,500,000
Fee to bank								25,000	25,000				10,000									40,000
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, end of year 2012									1.50
Credit facility, interest rate												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	22,591,000	25,056,000	4,900,000			16,904,000	18,450,000
Term loan, interest rate																				3.75%
Number of 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						0.63
Purchases of property and equipment	128,300
Payments to acquire property, plant, equipment and construction in progress, deposits on equipment	175,200
Remaining borrowing capacity						$ 4,800,000