CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Dec. 31, 2011	Dec. 31, 2010
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,473	$ 935
Adjustments to reconcile net income to net cash provided by operating activities:
Loss on disposal of equipment and leasehold improvements	65
Depreciation and amortization	513	424
Amortization of debt issue costs and other assets	32	21
Share based compensation expense	326	44
Reduction of allowance for doubtful accounts	(6)
Net (increase) decrease in assets:
Accounts receivable	(208)	(596)
Inventories	71	(423)
Prepaid expenses and other assets	(275)	(73)
Net increase (decrease) in liabilities:
Customer deposits	(76)	48
Accounts payable	140	(141)
Accrued expenses	520	14
Net cash provided by operating activities	3,575	253
CASH FLOWS FROM INVESTING ACTIVITIES:
Investment in equipment and leasehold improvements	(1,438)	(401)
Proceeds from return of restricted cash		250
Net cash used in investing activities	(1,438)	(151)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from long term debt, net of costs	95
Principal payments on long-term debt	(160)	(375)
Proceeds from stock options exercised	56	185
Net cash used in financing activities	(9)	(190)
Net increase (decrease) in cash and cash equivalents	2,128	(88)
Cash and cash equivalents at beginning of period	2,062	817
Cash and cash equivalents at end of period	4,190	729
Cash paid during the period for:
Interest	30	35
Income taxes	$ 60	$ 12