Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Dec. 31, 2017	Mar. 31, 2017
Current assets:
Cash and cash equivalents	$ 80,997	$ 58,730
Accounts receivable, less allowance for doubtful accounts of $26 and $27, respectively	1,715	1,808
Inventories - finished goods	21,907	20,228
Prepaid expenses and other current assets	974	1,019
Total current assets	105,593	81,785
Noncurrent assets:
Property and equipment, net	29,138	30,164
Intangible assets	860	860
Total noncurrent assets	29,998	31,024
Total assets	135,591	112,809
Current liabilities:
Accounts payable	12,426	15,221
Income taxes payable	9,474	659
Accrued expenses and other current liabilities	3,034	2,475
Total current liabilities	24,934	18,355
Deferred tax liabilities	676	1,088
Total liabilities	25,610	19,443
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; 20,601 and 20,526 shares issued and outstanding, respectively	21	21
Additional paid-in capital	8,664	6,806
Retained earnings	101,287	86,530
Total shareholders' equity	109,981	93,366
Total liabilities and shareholders' equity	$ 135,591	$ 112,809

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

No definition available.