CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Cash flows from operating activities
Net (loss) income	$ (6,620)	$ (3,881)	$ 8,053
Adjustments to reconcile net income to net cash from operating activities:
Depreciation and amortization	4,401	4,517	3,887
Inventory write-down	0	3,441	0
Stock expense - bonuses and options	156	495	503
Deferred income taxes	(4,234)	459	(196)
Impairment loss, goodwill (Note 14)	6,840	0	0
Gain on sale of property and equipment	(47)	(107)	(281)
Change in assets and liabilities
Receivables	3,847	10,259	(18,937)
Net investment in sales-type leases	40	33	28
Inventories	2,015	12,325	(7,884)
Income tax receivable	2,530	(3,967)	0
Other assets	32	226	(67)
Accounts payable	(4,271)	(724)	6,721
Accrued bonuses	0	(1,175)	(339)
Income tax payable	0	(2,909)	2,749
Other current liabilities	44	12	(62)
Net cash from (used in) operating activities	4,733	19,004	(5,825)
Cash flows from investing activities
Proceeds from sale of property and equipment	68	183	376
Purchases of property and equipment	(1,686)	(2,456)	(3,876)
Deposits on equipment	(48)	(37)	(193)
Payments from related party	45	43	41
Net cash used in investing activities	(1,621)	(2,267)	(3,652)
Cash flows from financing activities
Payments on capital lease obligation	0	0	(21)
Proceeds from long-term debt	0	342	45,034
Payments on long-term debt	(3,453)	(17,280)	(33,781)
Net cash (used in) from financing activities	(3,453)	(16,938)	11,232
Net change in cash	(341)	(201)	1,755
Cash at beginning of year	2,267	2,468	713
Cash at end of year	1,926	2,267	2,468
Supplemental disclosure of cash flow information:
Cash paid for interest	1,734	2,025	1,473
Cash tax refund received	2,758	0	0
Cash paid for taxes	308	3,385	1,946
Supplemental disclosure of noncash investing and financing activities:
Common stock issued to acquire intangibles	0	0	3,123
Contingent consideration	$ 0	$ 0	$ 7,300