CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current Assets
Cash and cash equivalents	$ 81,076	$ 75,077
Accounts receivable-net of allowance for doubtful accounts of $162 at June 30, 2018 and allowance for sales returns and doubtful accounts of $597 at December 31, 2017	934	576
Inventory	26,900	19,328
Investment securities	22,245	23,757
Income taxes, prepaid		2,272
Prepaid expenses and other current assets	3,936	4,188
Total current assets	135,091	125,198
Property, plant and equipment - net	18,220	18,611
Other assets	1,649	2,120
Deferred tax assets	1,347
TOTAL ASSETS	156,307	145,929
Current liabilities:
Accounts payable and accrued expenses	53,444	37,140
Total current liabilities	53,444	37,140
Other liabilities:
Deferred tax liabilities		208
Total liabilities	53,444	37,348
Stockholders' Equity:
Common stock; par value $.001 per share; 20,000 shares authorized; 12,141 and 12,103 issued and 11,951 and 11,971 outstanding at June 30, 2018 and December 31, 2017, respectively	12	12
Additional paid-in capital	7,199	4,967
Accumulated other comprehensive loss	(219)	(160)
Retained earnings	116,617	103,762
Less: Treasury stock at cost, 128 shares at June 30, 2018	(20,746)
Total stockholders' equity	102,863	108,581
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 156,307	$ 145,929