CONDENSED CONSOLIDATED BALANCE SHEETS (USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Mar. 31, 2013
Current assets:
Cash and cash equivalents	$ 35,913	$ 18,155
Short term investments - available for sale	15,486	15,490
Accounts receivable, less allowance for doubtful accounts of $5 and $5, respectively	1,384	1,439
Inventories - finished goods	17,341	31,601
Prepaid expenses and other current assets	3,616	2,520
Deferred tax assets	771	982
Prepaid income taxes	779
Total current assets	75,290	70,187
Property and equipment, net	1,685	2,132
Intangible assets	860	860
Total assets	77,835	73,179
Current liabilities:
Accounts payable	8,319	6,454
Accrued expenses and other current liabilities	2,208	2,381
Income taxes payable		162
Total current liabilities	10,527	8,997
Deferred tax liabilities	150	168
Total liabilities	10,677	9,165
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; 20,190 and 20,109 shares issued and outstanding, respectively	20	20
Additional paid-in capital	732
Retained earnings	66,445	63,987
Accumulated other comprehensive loss	(48)	(2)
Total shareholders' equity	67,158	64,014
Total liabilities and shareholders' equity	$ 77,835	$ 73,179