CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Mar. 31, 2011
Current assets:
Cash and cash equivalents	$ 4,190	$ 2,062
Accounts receivable, net of allowance for doubtful accounts of $52 at December 31, 2011 and $58 at March 31, 2011	2,855	2,641
Inventories, net	3,556	3,627
Deferred tax assets	17	17
Prepaid expenses and other assets	374	134
Total current assets	10,992	8,481
Equipment and leasehold improvements, net	5,416	4,557
Deferred tax assets	535	535
Other assets	291	287
Total assets	17,234	13,860
Current liabilities:
Current maturities of long-term debt	234	204
Customer deposits	39	115
Accounts payable	1,194	1,054
Accrued expenses	1,343	823
Total current liabilities	2,810	2,196
Long-term debt, excluding current maturities	457	553
Total liabilities	3,267	2,749
Commitments and contingencies
Stockholders' equity:
Common stock of $0.02 par value, shares authorized 7,500,000; 5,434,598 shares issued and outstanding at December 31, 2011 and 5,391,968 shares at March 31, 2011	109	108
Additional paid-in capital	28,185	27,803
Accumulated deficit	(14,327)	(16,800)
Total stockholders' equity	13,967	11,111
Total liabilities and stockholders' equity	$ 17,234	$ 13,860