LONG TERM DEBT AND NOTES PAYABLE TO BANK (Schedule of Long-Term Debt) (Details) (USD $)	Jun. 30, 2013	Dec. 31, 2012
Debt Instrument [Line Items]
Total long-term debt	$ 22,500,000	$ 25,056,000
Less current maturities	22,500,000	1,687,000
Long-term debt	0	23,369,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Total long-term debt	17,234,000	18,450,000
Maximum revolving commitment	25,000,000	25,000,000
Notes Payable to Banks [Member] | Note payable to Fifth Third Bank in the original amount of $8.8 million secured by rental fleet equipment, shredder system assets, and a crane [Member]
Debt Instrument [Line Items]
Total long-term debt	4,625,000	5,755,000
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 proceeds [Member]
Debt Instrument [Line Items]
Total long-term debt	471,000	638,000
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 proceeds [Member]
Debt Instrument [Line Items]
Total long-term debt	104,000	133,000
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 proceeds [Member]
Debt Instrument [Line Items]
Total long-term debt	66,000	80,000
Face amount	$ 115,000