CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2016	Mar. 31, 2016
Current assets:
Cash and cash equivalents	$ 51,896	$ 37,639
Accounts receivable, less allowance for doubtful accounts of $10 and $13, respectively	1,369	1,724
Inventories - finished goods	14,820	25,586
Prepaid expenses and other current assets	6,486	2,435
Prepaid income taxes	21	243
Total current assets	74,592	67,627
Noncurrent assets:
Property and equipment, net	20,576	20,929
Intangible assets	860	860
Deferred tax assets	499	863
Total noncurrent assets	21,935	22,652
Total assets	96,527	90,279
Current liabilities:
Accounts payable	6,147	5,004
Accrued expenses and other current liabilities	2,416	2,080
Total liabilities	8,563	7,084
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; 20,527 and 20,447 shares issued and outstanding, respectively	21	20
Additional paid-in capital	5,932	4,871
Retained earnings	82,002	78,295
Total shareholders' equity	87,964	83,195
Total liabilities and shareholders' equity	$ 96,527	$ 90,279