Consolidated Statements of Cash Flows - USD ($)	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Operating Activities:
Net income	$ 4,793,525	$ 4,789,005
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation	1,318,357	1,183,871
Amortization	734,496	516,187
Stock compensation expense	513,986	561,856
Deferred income taxes	(201,553)	207,024
Gain on disposal of property, plant and equipment		(200,000)
Changes in operating assets and liabilities
Accounts receivable	(16,948)	(1,729,980)
Inventories	(2,599,728)	(4,391,815)
Prepaid expenses and other current assets	(123,267)	(268,052)
Accounts payable	(1,065,428)	1,879,889
Other accrued liabilities	(2,273,701)	2,101,035
Total adjustments	(3,713,786)	(139,985)
Net cash provided by operating activities	1,079,738	4,649,020
Investing Activities:
Purchase of plant, property and equipment	(1,756,732)	(2,042,173)
Purchase of patents and trademarks	(161,877)	(118,470)
Proceeds from the sales of plant, property and equipment	4,980	773,104
Acquisition of First Aid Only, Inc.		(13,805,884)
Net cash used by investing activities	(1,913,629)	(15,193,423)
Financing Activities:
Net borrowings of long-term debt	1,765,811	1,235,012
Distributions to shareholders	(1,198,848)	(1,064,050)
Purchase of treasury stock	(679,696)
Issuance of common stock	1,248,782	1,138,711
Net cash provided by financing activities	1,136,049	1,309,673
Effect of exchange rate changes	(161,929)	(123,374)
Net increase (decrease) in cash and cash equivalents	140,231	(9,358,104)
Cash and cash equivalents at beginning of year	2,285,660	11,643,764
Cash and cash equivalents at end of year	2,425,891	2,285,660
Supplemental cash flow information
Cash paid for income taxes	2,412,008	1,421,677
Cash paid for interest expense	$ 563,837	$ 489,351