Consolidated Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 102	$ 3
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Provision for bad debts	884	741
Amortization of intangibles	56	56
Depreciation of property and equipment	1,151	990
Amortization of debt issue costs	12	12
Stock-based compensation - options	89	254
Stock-based compensation - warrants and restricted stock	(5)	189
Changes in assets and liabilities, net:
(Increase) decrease in accounts receivable, net of write-offs	(1,492)	(2,335)
(Increase) decrease in inventories	298	214
(Increase) decrease in other current assets	167	(35)
Increase (decrease) in accounts payable and other liabilities	(237)	(1,419)
NET CASH PROVIDED BY (USED IN) OPERATING ACTIVITIES	1,025	(1,330)
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(883)	(239)
NET CASH USED IN INVESTING ACTIVITIES	(883)	(239)
CASH FLOWS FROM FINANCING ACTIVITIES
Advances (repayments) on credit facility, net	583	(4,268)
Repayments of capital leases and loans	(772)	(570)
Issuance of common stock and warrants for cash, net of transaction costs	598	9,167
NET CASH PROVIDED BY FINANCING ACTIVITIES	409	4,329
NET INCREASE IN CASH AND CASH EQUIVALENTS	551	2,760
CASH AND CASH EQUIVALENTS, BEGINNING OF PERIOD	4,834	1,868
CASH AND CASH EQUIVALENTS, END OF PERIOD	5,385	4,628
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Interest paid	254	274
Income taxes paid	159	17
NON-CASH INVESTING AND FINANCING ACTIVITIES
Equipment leased under capital leases	$ 1,693	$ 381