CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $)	6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Cash flows from operating activities
Net Income	$ 954,448	$ 957,623
Adjustments to reconcile net income to net cash and cash equivalents provided by (used in) operating activities:
Depreciation and amortization	66,851	61,391
Change in inventory reserve	(167,000)	153,926
Change in allowance for bad debts	22,913	43,994
Disposal of property and equipment	0	4,027
Stock based compensation	3,281	14,185
Warranty provisions	242,627	294,346
Changes in assets and liabilities:
Accounts receivable	(4,024,112)	(10,239,086)
Inventories	(3,348,664)	(1,203,562)
Prepaid expenses and other current assets	6,078	6,064
Other non-current assets	(283)	(658)
Increase (Decrease) in:
Accounts payable	6,681,225	5,415,195
Net due to related parties	1,481,215	2,180,058
Accrued expenses	881,899	686,472
Obligations to clients for returns and allowances	(130,012)	(66,446)
Net cash provided by (used in) operating activities	2,670,466	(1,692,471)
Cash flows from investing activities
Purchase of property and equipment	(109,262)	(83,369)
Net cash used in investing activities	(109,262)	(83,369)
Cash flows from financing activities
Net proceeds from short-term bank loan	0	1,293,326
Payments on long-term financing obligation	0	(4,547)
Net cash provided by financing activities	0	1,288,779
Change in cash	2,561,204	(487,061)
Cash at beginning of period	267,465	674,712
Cash at end of period	2,828,669	187,651
Supplemental Disclosures of Cash Flow Information:
Cash paid for interest	$ 8,442	$ 2,344