CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2017	Mar. 31, 2016
Current assets:
Cash and cash equivalents	$ 58,730	$ 37,639
Accounts receivable, less allowance for doubtful accounts of $27 and $13, respectively	1,808	1,724
Inventories - finished goods	20,228	25,586
Prepaid expenses and other current assets	1,019	2,435
Prepaid income taxes		243
Total current assets	81,785	67,627
Noncurrent assets:
Property and equipment, net	30,164	20,929
Intangible assets	860	860
Deferred tax assets		863
Total noncurrent assets	31,024	22,652
Total assets	112,809	90,279
Current liabilities:
Accounts payable	15,221	5,004
Accrued expenses and other current liabilities	2,475	2,080
Income taxes payable	659
Total liabilities	18,355	7,084
Deferred tax liabilities	1,088
Total liabilities	19,443	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; 20,526 and 20,447 shares issued and outstanding, respectively	21	20
Additional paid-in capital	6,806	4,871
Retained earnings	86,530	78,295
Total shareholders' equity	93,366	83,195
Total liabilities and shareholders' equity	$ 112,809	$ 90,279