Condensed Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Operating Activities:
Net income	$ 2,520	$ 2,320
Adjustments to reconcile net income to net cash used by operating activities
Depreciation	455	421
Amortization	135	98
Stock compensation expense	272	233
Changes in operating assets and liabilities:
Accounts receivable	(9,181)	(10,934)
Inventories	667	(1,914)
Prepaid expenses and other assets	(150)	(473)
Accounts payable	2,637	5,048
Other accrued liabilities	69	1,644
Total adjustments	(5,096)	(5,877)
Net cash used by operating activities	(2,576)	(3,557)
Investing Activities:
Purchase of property, plant, and equipment	(463)	(233)
Purchase of patents and trademarks	(50)	(52)
Acquisition of certain assets of The C-Thru Ruler Company		(1,474)
Net cash used by investing activities	(513)	(1,759)
Financing Activities:
Borrowing of long-term debt	1,692	5,436
Proceeds from issuance of common stock	322	21
Distributions to stockholders	(219)	(437)
Purchase of treasury stock		(370)
Net cash provided by financing activities	1,794	4,650
Effect of exchange rate changes	3	(46)
Net change in cash and cash equivalents	(1,292)	(712)
Cash and cash equivalents at beginning of period	9,750	7,853
Cash and cash equivalents at end of period	$ 8,458	$ 7,141