Statements of Cash Flows (unaudited) (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Cash flows from operating activities:
Net income (loss)	$ (2,410)	$ 7,709
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	1,225	4,875
Share-based compensation expense	1,583	987
Provision for doubtful accounts	156	(307)
Deferred income taxes	215	1,399
Amortization of premium on marketable securities	83	0
Gain on disposition of property and equipment	24	27
Loss on sale of Turnkey	3,154	0
Gain on settlement of deferred consideration payable	0	(520)
Changes in operating assets and liabilities:
Accounts receivable	9,204	(14,462)
Inventories	2,332	(22,115)
Other assets	2,623	(6,400)
Accounts payable	(5,598)	21,124
Accrued liabilities	(1,630)	(4,704)
Income tax payable	2,324	1,554
Deferred revenue	(1,708)	3,402
Other current liabilities	(843)	137
Net cash provided by (used in) operating activities	10,734	(7,294)
Cash flows from investing activities:
Purchases of property and equipment	(1,569)	(7,831)
Proceeds from sale of property and equipment	65	66
Purchases of intangibles	(474)	0
Proceeds from sale of investments in unconsolidated entities	0	3,708
Proceeds from sale of subsidiaries	886	11,308
Investment in restricted time deposits	(72)	(363)
Release of restricted time deposits	125	56
Purchases of investments	0	(35,854)
Proceeds from sale or maturity of investments	9,577	20,805
Net cash provided by (used in) investing activities	8,538	(8,105)
Cash flows from financing activities:
Net proceeds from exercise of stock options	105	80
Purchase of treasury shares	(425)	0
Borrowings on short-term debt	21,440	75,289
Payments on short-term debt	(31,119)	(77,849)
Payments on long-term obligations	0	(14)
Net cash used by financing activities	(9,999)	(2,494)
Effect of exchange rate changes on cash and cash equivalents	1,776	(1,825)
Net increase (decrease) in cash and cash equivalents	11,049	(19,718)
Less: Net decrease in cash and cash equivalents of discontinued operations	(269)	(10,288)
Net increase (decrease) in cash and cash equivalents of continuing operations	11,318	(9,430)
Cash and cash equivalents, beginning of year	141,001	40,455
Cash and cash equivalents, end of year	152,319	31,025
Supplemental disclosure of cash flow information:
Cash paid during year for interest — continuing operations	439	271
Cash paid during year for interest — discontinued operations	0	739
Cash paid during year for interest — Total	439	1,010
Cash paid during year for income taxes — continuing operations	759	1,516
Cash paid during year for income taxes — discontinued operations	0	551
Cash paid during year for income taxes — Total	$ 759	$ 2,067