Consolidated Statements of Cash Flows (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Cash flows from operating activities:
Net income	$ 1,435,268	$ 1,934,107
Adjustment to reconcile net income to net cash provided by operations:
Depreciation and amortization	782,962	701,569
Deferred income taxes	(1,287)	(10,137)
Stock based compensation	318,110	276,993
Other operating noncash items	61,824	15,457
Changes in assets and liabilities:
Trade accounts receivable	(1,502,797)	(366,645)
Inventories	1,858,393	375,918
Other assets	(106,453)	9,092
Prepaid expenses and other current assets	(90,802)	(106,137)
Receivables due from affiliated companies	19,649	(60,921)
Accounts payable and other accrued expenses	(209,403)	5,335
Net cash provided by operating activities	2,565,464	2,774,631
Cash flows from investing activities:
Purchases of property, plant and equipment	(512,569)	(770,737)
Purchase of royalty rights	(160,000)
Net cash used in investing activities	(672,569)	(770,737)
Cash flows from financing activities:
Net borrowings (repayments) under revolving line of credit		(850,000)
Payments on long-term debt	(407,095)	(400,411)
Proceeds from exercise of stock options	79,667	169,496
Net cash used in financing activities	(327,428)	(1,080,915)
Effect of exchange rate on cash	(1,965)	49
Net increase in cash	1,563,502	923,028
Cash at beginning of period	1,508,385	585,357
Cash at end of period	3,071,887	1,508,385
Supplemental disclosure of cash transactions:
Cash paid for interest during period	68,327	100,995
Cash paid for income taxes during period	763,100	1,352,879
Supplemental disclosure of non-cash investing activities
Issuance of note receivable for amounts due	$ 111,420