CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2019	Dec. 31, 2018
Current Assets
Cash and cash equivalents	$ 81,196	$ 81,364
Accounts receivable-net of doubtful accounts of $1,860 and $394 at September 30, 2019 and December 31, 2018, respectively	1,451	1,011
Inventory	51,925	38,888
Investment securities	15,718	19,670
Income taxes, prepaid	3,200
Prepaid expenses and other current assets	4,817	4,586
Total current assets	158,307	145,519
Property, plant and equipment - net	26,247	19,747
Right-of-use asset	11,694
Other assets	453	1,183
Deferred tax assets	1,887	2,980
TOTAL ASSETS	198,588	169,429
Current liabilities
Accounts payable and accrued expenses	75,015	60,323
Current lease obligation	2,507
Total current liabilities	77,522	60,323
Other liabilities:
Lease obligation, less current lease obligation	9,866
Total liabilities	87,388	60,323
Stockholders' Equity:
Common stock, par value $.001 per share: 20,000 shares authorized; 12,126 and 12,117 issued and 11,612 and 11,868 outstanding at September 30, 2019 and December 31, 2018, respectively	12	12
Additional paid-in capital	12,207	8,802
Accumulated other comprehensive income (loss)	72	(173)
Retained earnings	162,902	131,344
Less: Treasury stock at cost, 489 and 193 shares at September 30, 2019 and December 31, 2018, respectively	(63,993)	(30,879)
Total stockholders' equity	111,200	109,106
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 198,588	$ 169,429