CONDENSED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss (loss)	$ (65,061)	$ 135,007
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	760,772	659,528
Amortization	33,768	25,040
Stock based compensation	25,007	21,743
Net gain on sale of property, plant and equipment	(5,750)
Deferred income taxes	61,000	18,000
Loss on intangible asset abandonment		45,873
Changes in working capital components:
Trade receivables	(171,307)	(68,866)
Inventories	133,633	510,845
Prepaid expenses and other assets	(276,257)	752
Income tax receivable	36,831	60,873
Accounts payable	310,141	49,064
Accrued expenses	74,170	8,202
Net cash provided by operating activities	916,947	1,466,061
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant, equipment and construction in progress	(2,064,426)	(2,866,671)
Proceeds from sale of equipment	21,000
Purchases of intangibles	(27,146)	(53,138)
Purchases of short-term investments	(4,379,000)	(650,000)
Proceeds on sale of short-term investments	1,133,000	2,416,000
Net cash used in investing activities	(5,316,572)	(1,153,809)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from long-term debt	3,415,000
Payment on debt issuance costs	(139,418)
Payments on long-term debt	(79,475)
Proceeds from exercise of stock options	3,765
Net cash provided by financing activities	3,199,872
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(1,199,753)	312,252
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	2,248,466	1,936,214
CASH AND CASH EQUIVALENTS AT END OF PERIOD	1,048,713	2,248,466
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Construction in progress included in construction accounts payable		333,339
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest	43,421
Cash received for tax refunds, net of $11,059 taxes paid in 2016	$ 102,234	$ 11,127