Condensed Consolidated Statement of Cash Flows (USD $)	6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
Cash flows from operating activities:
Net loss	$ (18,799)	$ (274,255)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	21,460	21,510
Bad debt recovery		(1,620)
Interest receivable	(2,507)	(2,181)
Changes in operating assets and liabilities:
Accounts receivable	(108,792)	(55,884)
Inventory	(58,382)	12,620
Prepaid expenses and other current assets	(37,010)	(5,008)
Accounts payable	16,073	71,475
Customer deposit payable	150,816
Accrued expenses and other current liabilities	63,459	31,253
Net cash provided by (used in) operating activities	26,318	(202,090)
Cash flows from investing activities:
Repayment (advances to) from related party		16,760
Payment for patents and trademark costs	(3,584)	(5,685)
Deposit - restricted cash	(543)	(1,097)
Net cash provided by (used in) investing activities	(4,127)	9,978
Cash flows from financing activities:
Repayments on note payable - Bank	(6,000)	(6,000)
Repayments on note payable - Other	(7,250)	(8,700)
Net cash used in financing activities	(13,250)	(14,700)
Net increase (decrease) in cash	8,941	(206,812)
Cash and cash equivalents beginning of period	155,149	690,975
Cash and cash equivalents at end of period	164,090	484,163
Cash paid for:
Interest	2,098	2,680
Income taxes		3,460
Supplemental disclosures of non-cash investing and financing activities:
Accrued interest on note receiveable	2,507
Increase in prepaid insurance and accounts payable	$ 8,466	$ 4,613