Condensed Consolidated Statements of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
Operating activities:
Net income/(loss)	$ 4,128	$ (1,031,824)
Adjustments to reconcile net income/(loss) to net cash provided by operating activities:
Depreciation and amortization	435,261	498,415
Stock-based compensation	16,888	35,112
Non-cash life insurance policy accretion	(60,270)	(58,488)
(Gain) loss on sale of property, plant and equipment	(11,361)	0
Deferred income taxes	10,000	14,000
Foreign currency transaction (gain) loss	(35,184)	(162,293)
(Increase) decrease in accounts receivable and accounts due from employees and distributors	40,767	72,102
(Increase) decrease in inventories	112,036	590,841
(Increase) decrease in refundable income taxes	68,516	53,474
(Increase) decrease in prepaid expenses and other current assets	(342,897)	(341,478)
(Increase) decrease in other assets	(24,907)	11,840
Increase (decrease) in accounts payable & accrued expenses and other noncurrent liabilities	126,216	769,312
Net cash provided by operating activities	339,193	451,013
Investing activities:
Purchase of property, plant and equipment	(403,910)	(14,849)
Proceeds from the sale of property, plant and equipment	11,900	0
Payments received on distributor note receivable	53,763	50,639
Net cash provided by (used in) investing activities	(338,247)	35,790
Financing activities:
Principal payments on long-term borrowings	(228,336)	(288,851)
Net cash used in financing activities	(228,336)	(288,851)
Effect of exchange rate changes on cash and cash equivalents	69,501	5,511
Increase (decrease) in cash and cash equivalents	(157,889)	203,463
Cash and cash equivalents at beginning of period	3,606,817	3,262,263
Cash and cash equivalents at end of period	$ 3,448,928	$ 3,465,726