Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021
Current assets:
Cash and cash equivalents	$ 111,786	$ 118,718
Accounts receivable, less allowance for doubtful accounts of $33 and $39, respectively	2,162	2,587
Inventories - finished goods	29,174	34,420
Prepaid expenses and other current assets	4,061	4,503
Prepaid income taxes	0	959
Total current assets	147,183	161,187
Noncurrent assets:
Property and equipment, net	25,280	25,450
Intangible assets	860	860
Total noncurrent assets	26,140	26,310
Total assets	173,323	187,497
Current liabilities:
Accounts payable	24,714	39,548
Accrued expenses and other current liabilities	6,579	5,387
Income taxes payable	569	0
Total current liabilities	31,862	44,935
Deferred tax liabilities	1,114	1,281
Total liabilities	32,976	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; 20,270 and 20,269 shares issued and outstanding, respectively	20	20
Additional paid-in capital	7,829	7,111
Retained earnings	132,489	134,141
Total shareholders' equity	140,347	141,281
Total liabilities and shareholders' equity	$ 173,323	$ 187,497