Statements of Cash Flows (unaudited) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2012		Jun. 30, 2011
Cash flows from operating activities:
Net income (loss)	$ 1,498		$ (2,410)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	1,131		1,225
Share-based compensation expense	492		1,583
Provision for doubtful accounts	14		156
Deferred income taxes	(269)		215
Amortization of premium on marketable securities	0		83
Gain on sale of deferred consideration litigation	2,314		0
Gain on disposition of property and equipment	17		24
Gain (loss) on sale of subsidiary	(7,936)		3,154
Impairment of goodwill and other intangibles	3,711		0
Changes in operating assets and liabilities:
Accounts receivable	10,786		9,204
Inventories	(3,087)		2,332
Other assets	(556)		2,623
Accounts payable	(5,933)		(5,598)
Accrued liabilities	(5,066)		(1,630)
Income tax payable	(1,914)		2,324
Deferred revenue	1,814		(1,708)
Other current liabilities	(163)		(843)
Net cash provided by operating activities	(3,147)		10,734
Cash flows from investing activities:
Purchases of property and equipment	(1,858)		(1,569)
Proceeds from sale of property and equipment	96		65
Purchases of intangibles	(400)		(474)
Proceeds from sale of subsidiaries	16,791		1,155
Investment in restricted time deposits	(1,036)		(72)
Release of restricted time deposits	0		125
Proceeds from sale or maturity of investments	0		9,577
Net cash provided by investing activities	13,593		8,807
Cash flows from financing activities:
Net proceeds from exercise of stock options	1		105
Purchase of treasury shares	0		(425)
Borrowings on short-term debt	10,759		21,440
Payments on short-term debt	(13,391)		(31,119)
Borrowing on long-term obligations	427		0
Dividend payment	(47,325)		0
Payments on long-term obligations	(200)		0
Net cash used by financing activities	(49,729)		(9,999)
Effect of exchange rate changes on cash and cash equivalents	(1,061)		1,776
Net increase (decrease) in cash and cash equivalents	(40,344)		11,318
Cash and cash equivalents, beginning of year	83,716	[1]	141,001	[1]
Cash and cash equivalents, end of period	43,372	[1]	152,319	[1]
Supplemental disclosure of cash flow information:
Cash paid during year for interest — continuing operations	321		731
Cash paid during year for interest — discontinued operations	0		8
Cash paid during year for interest — Total	321		739
Cash paid during year for income taxes — continuing operations	2,827		513
Cash paid during year for income taxes — discontinued operations	295		246
Cash paid during year for income taxes — Total	$ 3,122		$ 759

[1] The Cash and cash equivalents at the beginning of the periods presented include $12,364 and $7,222 from discontinued operations for June 30, 2012 and June 30, 2011, respectively.