Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Operating Activities:
Net income	$ 4,002,905	$ 3,549,231
Adjustments to reconcile net income to net cash provided (used) by operating activities
Depreciation	934,238	862,035
Amortization	270,644	227,662
Stock compensation expense	490,060	427,877
Deferred income taxes	94,010	(34,860)
Changes in operating assets and liabilities
Accounts receivable	785,952	(3,556,267)
Inventories	2,056,469	(5,310,860)
Prepaid expenses and other current assets	333,099	(395,291)
Accounts payable	(1,751,664)	1,484,949
Other accrued liabilities	(740,246)	1,472,912
Total adjustments	2,472,561	(4,821,843)
Net cash provided (used) by operating activities	6,475,466	(1,272,612)
Investing Activities:
Purchase of property, plant, and equipment	(4,591,929)	(681,135)
Purchase of patents and trademarks	(102,140)	(133,436)
Acquisition of assets in business combination		(1,473,793)
Payment received on mortgage receivable	1,726,888
Net cash used by investing activities	(2,967,181)	(2,288,364)
Financing Activities:
Net (repayments) borrowings of long-term debt	(1,408,000)	6,751,345
Distributions to shareholders	(728,392)	(1,089,627)
Purchase of treasury stock		(438,897)
Issuance of common stock	529,179	171,872
Net cash (used) provided by financing activities	(1,607,214)	5,394,693
Effect of exchange rate changes	(7,172)	62,804
Net increase in cash and cash equivalents	1,893,900	1,896,521
Cash and cash equivalents at beginning of year	9,749,864	7,853,343
Cash and cash equivalents at end of year	11,643,764	9,749,864
Supplemental cash flow information
Cash paid for income taxes	1,820,671	1,020,580
Cash paid for interest expense	$ 505,225	$ 436,084