CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands		Mar. 31, 2016	Dec. 31, 2015
Current assets:
Cash and cash equivalents		$ 45,500	$ 78,589
Investments, at fair value		367	367
Accounts receivable, net of allowance for doubtful accounts and billing adjustments of $408 and $455, respectively		2,571	2,925
Inventories		5,238	5,723
Deferred costs		1,884	2,097
Prepaid income taxes		1,552	2,747
Deposits and other current assets		2,097	2,655
Total current assets		59,209	95,103
Property and equipment, net		3,891	3,302
Intangible assets, net		32,529	6,687
Goodwill		47,485	32,304
Deferred tax assets, non-current		29,748	30,689
Deposits and other non-current assets		859	751
Total assets		173,721	168,836
Current liabilities:
Accounts payable		3,663	1,086
Accrued expenses and other current liabilities		5,700	6,284
Deferred revenue, current portion		51,815	52,554
Total current liabilities		61,178	59,924
Deferred revenue, net of current portion	[1]	49,134	50,146
Other non-current liabilities		12,328	11,098
Total liabilities		$ 122,640	$ 121,168
Commitments and contingencies (Note 9)
Capital equity
Ordinary shares, No par value; 100,000 shares authorized; 25,037 and 25,036 shares issued at March 31, 2016 and December 31, 2015, respectively		$ 111,774	$ 111,773
Additional paid-in capital		13,617	14,573
Treasury stock (9,191 and 9,426 shares at March 31, 2016 and December 31, 2015, respectively)		(123,138)	(126,772)
Retained earnings		48,828	48,094
Total capital equity		51,081	47,668
Total liabilities and capital equity		$ 173,721	$ 168,836

[1] Deferred revenues, non-current, is comprised entirely of deferred revenues originating from the sale of access right renewals.