CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Current assets:
Cash and cash equivalents	$ 83,343	$ 103,179
Short-term investments	3,963	3,978
Accounts receivable, net	32,386	29,722
Prepaid expenses and other	9,578	5,752
Inventory, net	1,708	1,672
Total current assets	130,978	144,303
Non-current assets:
Property and equipment, net	10,354	13,399
Goodwill	133,031	133,031
Intangible assets, net	5,417	7,917
Deferred income tax assets, net	46,484	47,679
Other non-current assets	1,448	1,675
Total non-current assets	196,734	203,701
TOTAL ASSETS	327,712	348,004
Current liabilities:
Accounts payable	2,010	1,305
Accrued compensation and benefits	11,348	11,018
Accrued taxes	1,822	2,547
Deferred revenue	26,285	28,857
Other current liabilities	3,483	4,610
Total current liabilities	44,948	48,337
Non-current liabilities:
Deferred revenue	476	1,063
Other non-current liabilities	7,734	8,075
Total non-current liabilities	8,210	9,138
TOTAL LIABILITIES	53,158	57,475
COMMITMENTS AND CONTINGENCIES (Note 9)
STOCKHOLDERS’ EQUITY:
Preferred stock—$0.0001 par value; 25,000,000 shares authorized; no shares issued or outstanding	0	0
Common stock—$0.0001 par value; 75,000,000 shares authorized; 19,389,066 and 20,135,514 shares issued and outstanding as of December 31, 2018 and December 31, 2017, respectively	2	2
Additional paid-in capital	90,559	99,819
Accumulated other comprehensive loss	(1,301)	(1,088)
Retained earnings	185,294	191,796
TOTAL STOCKHOLDERS’ EQUITY	274,554	290,529
TOTAL LIABILITIES AND STOCKHOLDERS’ EQUITY	$ 327,712	$ 348,004