NOTES PAYABLE TO BANK (Schedule of Long-Term Debt) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Debt Instrument [Line Items]
Total long-term debt	$ 25,056,000	$ 28,509,000
Less current maturities	1,687,000	1,821,000
Long-term debt	23,369,000	26,688,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total long-term debt	18,450,000	20,083,000
Maximum revolving commitment	25,000,000	40,000,000
Notes Payable to Banks [Member] | Note payable to Fifth Third Bank in the amount of $8.8 million secured by our rental fleet equipment, our shredder system assets, and a crane [Member]
Debt Instrument [Line Items]
Total long-term debt	5,755,000	7,015,000
Face amount	8,800,000
Notes Payable to Banks [Member] | Note payable to Fifth Third Bank in the amount of $1.3 million secured by equipment purchased with the proceeds [Member]
Debt Instrument [Line Items]
Total long-term debt	638,000	962,000
Face amount	1,300,000
Notes Payable to Banks [Member] | Loan and Security Agreement payable to Fifth Third Bank in the amount of $226.9 thousand secured by the equipment purchased with the proceeds [Member]
Debt Instrument [Line Items]
Total long-term debt	133,000	187,000
Face amount	226,900
Notes Payable to Banks [Member] | Note payable to Fifth Third Bank in the amount of $115.0 thousand secured by the equipment purchased with the proceeds [Member]
Debt Instrument [Line Items]
Total long-term debt	80,000	106,000
Face amount	115,000
Notes Payable [Member] | Note payable to ILS in the amount of $1.0 million for various assets including tractor trailers, trucks and containers [Member]
Debt Instrument [Line Items]
Total long-term debt	0	156,000
Face amount	$ 1,000,000