STATEMENTS OF CASH FLOWS (USD $)	9 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (408,980)	$ (256,821)
Adjustments to reconcile net loss to net cash used for operating activities:
Depreciation	306,531	313,564
Amortization	4,521	907
Deferred income taxes	(304,177)	(195,733)
Stock-based compensation	28,034	26,386
Loss on disposal of fixed assets	9,582	575
Changes in:
Receivables	48,513	13,132
Inventory	(155,785)	(373,239)
Prepaid expenses and other assets	140,260	55,850
Accrued expenses	(40,654)	(14,928)
Accounts payable	31,746	43,066
Deferred revenue	8,250	0
Net cash used for operating activities	(332,159)	(387,241)
CASH FLOWS FROM INVESTING ACTIVITES :
Purchase of property, plant and equipment	(187,934)	(110,167)
Maturities of short-term investments	2,229,000	3,859,000
Purchases of short-term investments	(3,183,000)	(2,478,000)
Net cash (used for) provided by investing activities	(1,141,934)	1,270,833
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt issuance	600,000	1,000,000
Debt principal repayments	(103,086)	(3,464)
Debt issuance costs	0	(26,489)
Proceeds from exercise of stock options	128,170	0
Tax benefits related to stock options	13,568	0
Net cash provided by financing activities	638,652	970,047
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(835,441)	1,853,639
BEGINNING CASH AND CASH EQUIVALENTS	1,398,985	975,490
ENDING CASH AND CASH EQUIVALENTS	563,544	2,829,129
INTEREST EXPENSE PAID	(58,650)	(5,201)
INCOME TAXES PAID	(209)	(100)
NON-CASH ACTIVITIES:
Change in capital expenditures included in accounts payable	(41,072)	(8,263)
Decrease in fair value of interest rate swap, net of taxes	$ 48,795	$ 39,215