CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities
Net (loss) income	$ (115)	$ 9
Adjustments to reconcile net (loss) income to net cash from operating activities:
Depreciation and amortization	1,042	1,119
Stock expense - bonuses and options	36	60
Deferred income taxes	(557)	(515)
Gain on sale of property and equipment	(17)	(19)
Gain on lawsuit settlement	(625)	0
Change in assets and liability
Receivables	2,804	(303)
Net investment in sales-type leases	0	9
Inventories	(5,236)	(5,832)
Income tax receivable	678	1,521
Other assets	(150)	(225)
Accounts payable	3,680	4,700
Other current liabilities	(60)	18
Net cash from operating activities	1,480	542
Cash flows from investing activities
Proceeds from sale of property and equipment	30	20
Proceeds from lawsuit to cancel intangible asset	770	0
Purchases of property and equipment	(128)	(164)
Deposits on equipment	(175)	0
Payments from related party	0	11
Net cash from (used in) investing activities	497	(133)
Cash flows from financing activities
Payments on long-term debt	(2,465)	(1,799)
Proceeds from long-term debt	0	870
Net cash used in financing activities	(2,465)	(929)
Net decrease in cash	(488)	(520)
Cash at beginning of year	1,926	2,267
Cash at end of period	1,438	1,747
Supplemental disclosure of cash flow information:
Cash paid for interest	321	433
Cash tax refunds received	229	1,000
Cash paid for taxes	8	0
Supplemental disclosure of noncash investing and financing activities:
Change in equipment accrual	$ 25	$ 0