Statements of Cash Flows (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2014		Dec. 31, 2013		Dec. 31, 2012
Cash flows from operating activities:
Net income (loss)	$ (12,155)		$ (6,822)		$ 5,664
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Depreciation and amortization	2,256		1,833		2,016
Share-based compensation expense	959		713		1,191
Provision for doubtful accounts	95		580		116
Deferred income taxes	1,922		(57)		653
Gain on sale of deferred consideration litigation	0		0		(2,314)
Loss on disposition of property and equipment	11		26		28
Loss on sale of subsidiary	0		0		(23,272)
Impairment of goodwill	0		0		3,007
Changes in operating assets and liabilities:
Accounts receivable	3,162		(17,417)		11,439
Inventories	82		(43)		(689)
Other assets	(4,177)		9,067		(5,927)
Accounts payable	2,747		2,993		(5,104)
Accrued liabilities	(2,333)		2,478		(1,002)
Income tax payable	0		(41)		(2,168)
Deferred revenue	3,459		3,146		155
Other current liabilities	(164)		(444)		281
Net cash used in operating activities	(4,136)		(3,988)		(15,926)
Cash flows from investing activities:
Purchases of property and equipment	(1,491)		(3,662)		(2,909)
Purchases of intangibles	(650)		(473)		(400)
Change in restricted time deposits	13		(9)		1,371
Proceeds from sale of property and equipment	0		0		192
Proceeds from sale of subsidiaries, net of cash acquired	0		0		38,233
Net cash (used in) provided by investing activities	(2,128)		(4,144)		36,487
Cash flows from financing activities:
Borrowings on short-term debt	21,638		11,219		24,004
Payments on short-term debt	(19,843)		(12,347)		(27,958)
Payments for shares repurchased for tax withholdings on vesting of restricted stock awards	72		0		0
Payments for shares repurchased for tax withholdings on vesting of restricted stock awards	(87)		0		0
Purchase of treasury shares	0		(3,884)		(3,257)
Borrowing on long-term obligations	0		0		459
Dividend payment	0		0		(57,957)
Payments on long-term obligations	0		0		(230)
Net cash provided by (used in) financing activities	1,780		(5,012)		(64,939)
Effect of exchange rate changes on cash and cash equivalents	(685)		126		1,271
Net decrease in cash and cash equivalents	(5,169)		(13,018)		(43,107)
Cash and cash equivalents, beginning of year	27,591	[1]	40,609	[1]	83,716	[1]
Cash and cash equivalents, end of year	22,422		27,591	[1]	40,609	[1]
Supplemental disclosure of cash flow information:
Cash paid during year for interest	283		291		416
Cash paid during year for income taxes — continuing operations	1,791		1,800		1,540
Cash paid during year for income taxes — discontinued operations	0		0		295
Cash paid during year for income taxes — Total	1,791		1,800		1,835
Cash and cash equivalents from discontinued operations					$ 25,126

[1] Cash and cash equivalents at the beginning of the period presented for December 31, 2012 include $25,126 from discontinued operations.