CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS (Unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income from continuing operations	$ 10,419	$ 4,262
Adjustments to reconcile net income from continuing operations to net cash provided by continuing operations:
Depreciation and amortization	3,168	1,951
Deferred tax benefit	(973)	(1,429)
Stock-based compensation	1,211	1,327
Changes in assets and liabilities:
Accounts receivable, net	6,368	1,340
Inventories	(40)	(6,339)
Foreign sales tax receivable	134	(301)
Other current assets	581	(55)
Accounts payable	3,992	(1,429)
Income taxes payable	(1,598)	987
Accrued expenses	2,466	1,630
Current deferred compensation	60	(2,393)
Deferred revenue	1,277	2,068
Net cash provided by operating activities of continuing operations	27,065	1,619
Cash flows from investing activities of continuing operations:
Purchase of short term investments	(29,972)	0
Purchase of Cronto	0	(19,495)
Additions to property and equipment	(964)	(273)
Additions to intangible assets	(88)	(88)
Other assets	(1,326)	321
Net cash used in investing activities of continuing operations	(32,350)	(19,535)
Cash flows from financing activities of continuing operations:
Proceeds from exercise of stock options	51	19
Tax payments for restricted stock issuances	(123)	(736)
Stock option tax benefits	121	0
Net cash provided by (used in) financing activities of continuing operations	49	(717)
Cash flows used in discontinued operations:
Net cash provided by (used in) operating activities of discontinued operations	(54)	(473)
Net cash provided by (used in) discontinued operations	(54)	(473)
Effect of exchange rate changes on cash	25	(1,713)
Net increase in cash	(5,265)	(20,820)
Cash and equivalents, beginning of year	98,607	106,469
Cash and equivalents, end of period	$ 93,342	$ 85,649