Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ (413)	$ 30
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Loss on disposal of equipment and leasehold improvements	10	5
Depreciation and amortization	303	240
Amortization of debt issue costs and other assets	12	10
Share based compensation expense	192	178
Reduction of inventory reserve	(1)	(1)
Deferred income tax provision (benefit)	(751)	106
Net (increase) decrease in assets:
Accounts receivable	283	(130)
Inventories	59	(523)
Prepaid expenses and other assets	(50)	(438)
Net increase (decrease) in liabilities:
Customer deposits	33	(4)
Accounts payable	100	357
Accrued expenses	5	(121)
Net cash used in operating activities	(218)	(291)
CASH FLOWS FROM INVESTING ACTIVITIES:
Proceeds from restricted cash	253	644
Investment in equipment and leasehold improvements	(903)	(1,611)
Net cash used in investing activities	(650)	(967)
CASH FLOWS FROM FINANCING ACTIVITIES:
Principal payments on long-term debt	(51)	(8)
Proceeds from stock options exercised		6
Net cash used in financing activities	(51)	(2)
Net decrease in cash and cash equivalents	(919)	(1,260)
Cash and cash equivalents at beginning of period	4,312	4,364
Cash and cash equivalents at end of period	3,393	3,104
Cash paid during the period for:
Interest	75	75
Income taxes		$ 5