STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net loss	$ (281,331)	$ (59,705)
Adjustments to reconcile net loss to net cashprovided by (used for) operating activities:
Depreciation	210,920	210,945
Amortization	3,372	0
Deferred income taxes	(216,211)	(41,897)
Stock-based compensation	17,736	14,391
Loss on disposal of fixed assets	9,582	0
Changes in:
Receivables	(22,244)	(141,874)
Inventory	(37,779)	(267,293)
Prepaid expenses and other assets	74,427	42,140
Accrued expenses	280,830	(18,351)
Accounts payable	(21,773)	(12,922)
Deferred revenue	8,250	0
Net cash provided by (used for) operating activities	25,779	(274,566)
CASH FLOWS FROM INVESTING ACTIVITES :
Purchase of property, plant and equipment	(152,544)	(94,175)
Maturities of short-term investments	735,000	2,371,000
Purchases of short-term investments	(1,692,000)	(1,233,000)
Net cash (used for) provided by investing activities	(1,109,544)	1,043,825
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from debt issuance	600,000	0
Debt principal repayments	(61,747)	0
Proceeds from exercise of stock options	30,370	0
Tax benefits related to stock options	7,404	0
Net cash provided by financing activities	576,027	0
NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS	(507,738)	769,259
BEGINNING CASH AND CASH EQUIVALENTS	1,398,985	975,490
ENDING CASH AND CASH EQUIVALENTS	891,247	1,744,749
INTEREST EXPENSE PAID	(37,841)	0
INCOME TAXES PAID	(153)	(74)
NON-CASH ACTIVITIES:
Change in capital expenditures included in accounts payable	(25,482)	(3,098)
Decrease in fair value of interest rate swap, net of taxes	$ 11,943	$ 0