CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Jun. 30, 2013	Mar. 31, 2013
Current assets:
Cash and cash equivalents	$ 3,104	$ 4,364
Accounts receivable, net of allowance for doubtful accounts of $6 at June 30, 2013 and $6 at March 31, 2013	3,896	3,766
Inventories, net	4,213	3,688
Deferred tax assets	110	110
Prepaid expenses and other current assets	651	263
Total current assets	11,974	12,191
Equipment and leasehold improvements, net	10,198	8,835
Restricted cash	2,717	3,360
Deferred tax assets	3,323	3,429
Other assets	811	772
Total assets	29,023	28,587
Current liabilities:
Current maturities of long-term debt	156	128
Customer deposits	29	33
Accounts payable	2,209	1,852
Accrued expenses	751	872
Total current liabilities	3,145	2,885
Long-term debt, excluding current maturities	5,418	5,454
Deferred rent	21	21
Total liabilities	8,584	8,360
Commitments and contingencies
Stockholders' equity:
Common stock of $0.02 par value, shares authorized 50,000,000; 5,465,788 shares issued and outstanding at June 30, 2013 and 5,463,938 at March 31, 2013	109	109
Additional paid-in capital	29,259	29,077
Accumulated deficit	(8,929)	(8,959)
Total stockholders' equity	20,439	20,227
Total liabilities and stockholders' equity	$ 29,023	$ 28,587