Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Operating Activities:
Net income	$ 3,549,231	$ 2,811,193
Adjustments to reconcile net income to net cash (used) provided by operating activities
Depreciation	862,035	795,452
Amortization	227,662	183,385
Stock compensation expense	427,877	428,439
Deferred income taxes	(34,860)	(185,162)
Changes in operating assets and liabilities
Accounts receivable	(3,556,267)	(76,021)
Inventories	(5,310,860)	(1,127,005)
Prepaid expenses and other current assets	(395,291)	271,550
Accounts payable	1,484,949	(1,031,524)
Other accrued liabilities	1,472,912	(7,239)
Total adjustments	(4,821,843)	(748,125)
Net cash (used) provided by operating activities	(1,272,612)	2,063,068
Investing Activities:
Purchase of property, plant, and equipment	(681,135)	(940,713)
Purchase of patents and trademarks	(133,436)	(101,853)
Acquisition of assets in business combination	(1,473,793)	(3,126,986)
Net cash used by investing activities	(2,288,364)	(4,169,552)
Financing Activities:
Net borrowings of long-term debt	6,751,345	4,046,484
Distributions to shareholders	(1,089,627)	(771,582)
Purchase of treasury stock	(438,897)	(133,738)
Issuance of common stock	171,872	287,269
Net cash provided by financing activities	5,394,693	3,428,433
Effect of exchange rate changes	62,804	(70,022)
Net increase in cash and cash equivalents	1,896,521	1,251,927
Cash and cash equivalents at beginning of year	7,853,343	6,601,416
Cash and cash equivalents at end of year	9,749,864	7,853,343
Supplemental cash flow information
Cash paid for income taxes	831,791	1,293,036
Cash paid for interest expense	$ 436,084	$ 390,418