CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
CURRENT ASSETS:
Cash and cash equivalents	$ 38,158	$ 24,654
Short term investments	54,394	47,568
Receivables	19,125	17,871
Inventories	30,373	44,266
Prepaid income taxes	693	6,441
Prepaid expenses and other current assets	8,237	11,758
Total current assets	150,980	152,558
FIXED ASSETS, net	27,695	31,549
INTANGIBLE ASSETS, net	12,334	13,084
DEFERRED INCOME TAXES	3,177	3,202
OTHER ASSETS	1,199	1,150
Total assets	195,385	201,543
CURRENT LIABILITIES:
Accounts payable	35,541	34,816
Accrued payroll and related benefits	2,306	15,229
Deferred revenue	9,287	7,991
Other accrued expenses and current liabilities	5,883	6,068
Total current liabilities	53,017	64,104
NON-CURRENT LIABILITIES	1,801	1,636
Total liabilities	54,818	65,740
COMMITMENTS AND CONTINGENCIES (Note 7)
STOCKHOLDERS’ EQUITY:
Preferred stock, $.001 par value (5,000 shares authorized, no shares issued and outstanding)	0	0
Common stock, $.001 par value (100,000 shares authorized; shares issued – 30,977 at September 30, 2018 and 30,729 at December 31, 2017)	31	31
Additional paid-in capital	78,939	69,245
Treasury stock, at cost, 1,558 shares at September 30, 2018 and 679 shares at December 31, 2017	(44,579)	(16,359)
Retained earnings	106,436	83,035
Accumulated other comprehensive loss	(260)	(149)
Total stockholders’ equity	140,567	135,803
Total liabilities and stockholders’ equity	$ 195,385	$ 201,543