Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 1,176,000	$ 178,000
Adjustments to reconcile net income to net cash provided by operating activities:
Provision for bad debts	1,966,000	2,434,000
Amortization of intangibles	168,000	126,000
Depreciation of property and equipment	3,115,000	2,549,000
Amortization of debt issue costs	36,000	29,000
Stock-based compensation - options	393,000	488,000
Stock-based compensation - warrants and restricted stock	137,000	211,000
Changes in assets and liabilities, net:
(Increase) decrease in accounts receivable, net of write-offs	(3,659,000)	(6,552,000)
(Increase) decrease in inventories	(209,000)	(704,000)
(Increase) decrease in other current assets	(320,000)	61,000
(Increase) decrease in other assets	(95,000)	38,000
Increase (decrease) in accounts payable and other liabilities	24,000	649,000
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	2,732,000	(493,000)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchase of intangible assets		(1,037,000)
Purchases of property and equipment	(1,486,000)	(2,263,000)
NET CASH USED IN INVESTING ACTIVITIES	(1,486,000)	(3,300,000)
CASH FLOWS FROM FINANCING ACTIVITIES
Restricted cash		200,000
Advances (payments) on credit facility, net	(5,722,000)	4,137,000
Repayment of capital leases	(1,868,000)	(1,637,000)
Issuance of common stock and warrants for cash, net of transaction expenses	9,405,000	503,000
NET CASH PROVIDED BY FINANCING ACTIVITIES	1,815,000	3,203,000
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	3,061,000	(590,000)
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	1,868,000	2,628,000
CASH AND CASH EQUIVALENTS, END OF PERIOD	4,929,000	2,038,000
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Interest paid	715,000	809,000
Income taxes paid	19,000
NON-CASH INVESTING AND FINANCING ACTIVITIES
Equipment leased under capital leases	1,816,000	2,845,000
Non-cash intangible asset purchase		$ 1,945,000