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:
Cash received for goods and services	$ 19,562	$ 17,899	$ 13,839
Cash paid to suppliers and employees	(17,387)	(14,791)	(13,537)
Income tax paid	(150)	(9)	(145)
Interest received		1
Interest paid	(664)	(775)	(369)
Net cash provided by (used in) operating activities	1,361	2,325	(212)
Cash flows from investing activities:
Capital expenditures	(542)	(74)	(399)
Acquisition of IASCO			(200)
Net cash used in investing activities	(542)	(74)	(599)
Cash flows from financing activities:
Proceeds from drawings on line of credit	6,000	3,900	3,800
Loan fees paid	(38)		(137)
Deferred rights offering fees		(116)
Repayment of long term debt	(1,050)	(1,050)	(1,450)
Repayment of line of credit	(6,000)	(4,700)	(2,400)
Net cash used in financing activities	(1,088)	(1,966)	(187)
Net increase (decrease) in cash	(269)	285	(998)
Cash and cash equivalents at beginning of period	530	245	1,243
Cash and cash equivalents at end of period	261	530	245
Reconciliation of net income (loss) to net cash provided by (used in) operating activities:
Net income (loss)	(499)	712	(1,487)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	2,517	2,499	2,225
Goodwill impairment			306
Gain on acquisition of IASCO			(120)
IASCO acquisition deferred farming cost expense			426
Inventory write-off	0	0	7
Write-off of deferred rights offering fees	116
Pension expense	128	70	109
Deferred income tax credit	(12)	(16)	(23)
Increase in accounts receivable	(790)	(674)	(1,771)
Increase in inventories	(804)	(376)	(12)
(Increase) decrease in other current assets	(26)	55	(62)
Increase (decrease) in accounts payable	651	(97)	272
Increase (decrease) in accrued payroll and benefits	259	(39)	168
Increase (decrease) in current liabilities	(141)	266	(250)
Decrease in non-current benefits payable	(38)	(75)
Total adjustments	1,860	1,613	1,275
Net cash provided by (used in) operating activities	1,361	2,325	(212)
Supplemental schedule of noncash investing and financing activities
Acquisition of IASCO financed by debt			$ 12,300