Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Dec. 31, 2021	Mar. 31, 2021
Current assets:
Cash and cash equivalents	$ 108,911	$ 118,718
Accounts receivable, less allowance for doubtful accounts of $19 and $39, respectively	1,267	2,587
Inventories - finished goods	27,640	34,420
Prepaid expenses and other current assets	3,216	4,503
Prepaid income taxes	1,870	959
Total current assets	142,904	161,187
Noncurrent assets:
Property and equipment, net	24,665	25,450
Intangible assets	860	860
Total noncurrent assets	25,525	26,310
Total assets	168,429	187,497
Current liabilities:
Accounts payable	21,935	39,548
Accrued expenses and other current liabilities	4,330	5,387
Total current liabilities	26,265	44,935
Deferred tax liabilities	1,262	1,281
Total liabilities	27,527	46,216
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; 20,957 and 20,269 shares issued and outstanding, respectively	21	20
Additional paid-in capital	10,151	7,111
Retained earnings	130,721	134,141
Total shareholders' equity	140,902	141,281
Total liabilities and shareholders' equity	$ 168,429	$ 187,497