CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands	6 Months Ended
	Sep. 30, 2011	Sep. 30, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 1,361	$ 925
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on disposal of equipment and leasehold improvements	64
Depreciation and amortization	337	279
Amortization of debt issue costs and other assets	21	14
Share based compensation expense	200	36
Net (increase) decrease in assets:
Accounts receivable	117	(66)
Inventories	439	(680)
Prepaid expenses and other assets	(100)	(30)
Net increase (decrease) in liabilities:
Customer deposits	(38)	10
Accounts payable	182	(436)
Accrued expenses	196	(38)
Net cash provided by operating activities	2,779	14
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in equipment and leasehold improvements	(716)	(307)
Proceeds from return of restricted cash		250
Net cash used in investing activities	(716)	(57)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from long term debt, net of costs	65
Principal payments on long-term debt	(105)	(176)
Proceeds from stock options exercised	6	185
Net cash provided by (used in) financing activities	(34)	9
Net increase (decrease) in cash and cash equivalents	2,029	(34)
Cash and cash equivalents at beginning of period	2,062	817
Cash and cash equivalents at end of period	4,091	783
Cash paid during the period for:
Interest	21	25
Income taxes	$ 18	$ 12