Statements of Cash Flows (unaudited) (USD $)	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Operating Activities
Net loss	$ (73,400)	$ (226,200)
Adjustments to reconcile net loss to net cash provided by (used in) operating activities
Depreciation and amortization	3,000	4,200
Compensation expense - stock option grants	600	2,200
Financing cost - warrant grants	0	3,000
Total adjustments to reconcile net loss to net cash provided by (used in) operating activities	(69,800)	(216,800)
Decrease in assets
Accounts receivable	52,900	41,700
Inventory	7,400	19,800
Prepaid and other	21,000	2,200
Increase in liabilities
Accounts payable and accrued expenses	(25,700)	(32,800)
Deferred revenue	(29,000)	(61,100)
Total increase (decrease) in operating capital	136,000	157,600
Net cash provided by (used in) operating activities	66,200	(59,200)
Financing Activities
Proceeds from demand loans	15,000	50,500
Repayment of demand loan	(15,000)	0
Repayment of borrowings under line of credit	(12,500)	0
Issuance of common stock	18,000	30,600
Net cash provided by financing activities	5,500	81,100
Increase in cash	71,700	21,900
Cash at beginning of year	10,600	37,200
Cash at end of period	82,300	59,100
Supplemental disclosure of cash flow information
Cash paid for interest	$ 1,700	$ 1,900