CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Mar. 31, 2014
Current assets:
Cash and cash equivalents	$ 35,613	$ 18,305
Short term investments - available for sale	15,591	15,539
Accounts receivable, less allowance for doubtful accounts of $8 and $7, respectively	1,931	1,761
Inventories - finished goods	25,068	35,727
Prepaid expenses and other current assets	1,380	1,761
Deferred tax assets	817	1,062
Prepaid income taxes		54
Total current assets	80,400	74,209
Nonurrent assets:
Prepaid expenses		1,996
Property and equipment, net	1,569	1,310
Intangible assets	860	860
Deferred tax assets	23
Total noncurrent assets	2,452	4,166
Total assets	82,852	78,375
Current liabilities:
Accounts payable	5,153	5,768
Accrued expenses and other current liabilities	2,214	2,325
Income taxes payable	50
Total current liabilities	7,417	8,093
Deferred tax liabilities		65
Total liabilities:	7,417	8,158
Commitments and contingencies
Shareholders' equity:
Preferred stock, $.001 par value, 5,000 shares authorized; 3 convertible shares issued and outstanding with a liquidation preference of $4 per share	9	9
Common stock, $.001 par value, 40,000 shares authorized; 20,262 and 20,190 shares issued and outstanding, respectively	20	20
Additional paid-in capital	3,117	1,578
Retained earnings	72,343	68,647
Accumulated other comprehensive loss	(54)	(37)
Total shareholders' equity	75,435	70,217
Total liabilities and shareholders' equity	$ 82,852	$ 78,375