CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011
CASH FLOWS PROVIDED BY OPERATING ACTIVITIES:
Net income	$ 2,736	$ 2,182
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	3,121	2,972
Provision for losses on accounts receivable	1,788	1,743
Loss on sale of equipment	(2)	4
Deferred and stock-based compensation	924	752
Deferred income taxes	1,465	1,169
Changes in operating assets and liabilities:
Accounts receivable	(5,026)	(2,704)
Inventories	(206)	(531)
Prepaid expenses	(125)	(16)
Other assets	(85)	(217)
Accounts payable and accrued expenses	1,630	(197)
Other	(5)	0
Net cash provided by operating activities	6,215	5,157
CASH FLOWS USED IN INVESTING ACTIVITIES:
Purchases of building, equipment and improvements	(3,124)	(2,575)
Net cash used in investing activities	(3,124)	(2,575)
CASH FLOWS USED IN FINANCING ACTIVITIES:
Proceeds from line of credit	0	18,757
Payments on line of credit	0	(19,585)
Purchase of common stock for incentive plans	0	(1,705)
Net proceeds from the exercise of stock options	39	21
Payment of taxes from traded shares	(1,580)	(104)
Net cash used in financing activities	(1,541)	(2,616)
INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	1,550	(34)
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	5,269	1,285
CASH AND CASH EQUIVALENTS AT END OF PERIOD	6,819	1,251
Cash paid for:
Interest	128	46
Income taxes	631	227
Supplemental noncash activities:
Asset additions and related obligations in payables	587	1,398
Distribution of common stock from incentive plan	3,309	0
Treasury stock transferred to fund contribution of common stock for incentive plans	$ 2,084	$ 0