CONDENSED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (71,321)	$ (84,467)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation	552,885	490,275
Amortization	24,094	18,831
Stock based compensation	18,384	16,088
Net gain on sale and disposal of property, plant and equipment	(5,750)
Loss on intangible asset abandonment		45,873
Changes in working capital components:
Trade receivables	10,962	(186,283)
Inventories	40,672	352,289
Prepaid expenses and other assets	(92,873)	(18,354)
Income tax receivable	31,234	(9,099)
Accounts payable	326,996	80,632
Accrued expenses	(31,098)	91,007
Net cash provided by operating activities	804,185	796,792
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of property, plant, equipment and construction in progress	(1,966,150)	(1,195,840)
Proceeds from sales of equipment	21,000
Purchases of intangibles	(25,842)	(41,639)
Purchases of short-term investments	(3,399,000)	(650,000)
Proceeds on sale of short-term investments		2,191,000
Net cash provided by (used in) investing activities	(5,369,992)	303,521
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	(44,974)
Proceeds from exercise of stock options	3,765
Net cash provided by financing activities	3,234,373
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(1,331,434)	1,100,313
CASH AND CASH EQUIVALENTS AT BEGINNING OF PERIOD	2,248,466	1,936,214
CASH AND CASH EQUIVALENTS AT END OF PERIOD	917,032	3,036,527
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Construction in progress included in construction accounts payable	8,778	569,843
SUPPLEMENTAL DISCLOSURE OF CASH FLOW INFORMATION
Cash paid for interest	25,252
Cash received (paid) for income taxes, net of $12,807 taxes paid in 2016	$ 100,649	$ (10,901)