Income Taxes (Details) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Jan. 04, 2011
Income (Loss) from Continuing Operations [Abstract]
Domestic	$ 127,000	$ 1,204,000	$ (3,114,000)
Foreign	1,736,000	1,159,000	1,071,000
Income (loss) before income taxes	1,863,000	2,363,000	(2,043,000)
Current: [Abstract]
Federal	22,000	62,000	0
State	19,000	181,000	9,000
Foreign	562,000	462,000	233,000
Subtotal	603,000	705,000	242,000
Deferred [Abstract]
Federal	0	(1,002,000)	0
Foreign	86,000	(141,000)	(36,000)
Subtotal	86,000	(1,143,000)	(36,000)
Total	689,000	(438,000)	206,000
Effective Income Tax Rate, Continuing Operations, Tax Rate Reconciliation [Abstract]
Statutory federal income tax rate (in hundredths)	34.00%	34.00%	34.00%
State income taxes, net of federal tax benefit (in hundredths)	0.70%	5.00%	(0.50%)
Effect of foreign operations (in hundredths)	(9.50%)	(12.00%)	(4.60%)
Change in valuation allowance (in hundredths)	(13.40%)	(68.30%)	(38.80%)
Other, principally permanent differences (in hundredths)	25.20%	22.80%	(0.20%)
Effective tax rate (in hundredths)	37.00%	(18.50%)	(10.10%)
Deferred Tax Assets, Net [Abstract]
Net operating loss carryforwards	4,352,000	4,850,000	5,893,000
Capital loss carryforwards	2,446,000	2,351,000	2,472,000
Accruals and reserves	145,000	135,000	126,000
Expenses not currently deductible for tax purposes	1,353,000	1,494,000	1,358,000
Alternative minimum tax credit carryforwards	166,000	166,000	166,000
Other	1,568,000	1,449,000	1,163,000
Total deferred tax asset	10,030,000	10,445,000	11,178,000
Valuation allowance	(7,026,000)	(6,869,000)	(8,662,000)
Total deferred tax assets less valuation allowance	3,004,000	3,576,000	2,516,000
Deferred Tax Liabilities: [Abstract]
Undistributed earnings of foreign subsidiaries	(1,473,000)	(1,950,000)	(1,790,000)
Software development costs	(934,000)	(690,000)	(677,000)
Other	(910,000)	(1,145,000)	(421,000)
Total deferred tax liabilities	(3,317,000)	(3,785,000)	(2,888,000)
Net deferred tax liability	(313,000)	(209,000)	(372,000)
Change in valuation allowance	1,100,000	(1,800,000)	287,000
Operating loss carryforwards	12,000,000
Operating loss carryforwards, expiration dates	Between 2017 and 2030
Unrecognized tax benefits from stock option exercises	5,700,000
Income Tax Contingency [Line Items]
Unrecognized tax benefits from acquisitions		320,000
Receivable from acquisition shareholders related to unrecognized tax benefit				320,000
Reduction of the tax liability and receivable from acquisition shareholders related to unrecognized tax benefit	269,000
Unrecognized tax benefits for foreign tax contingencies	165,000	126,000
Unrecognized tax benefits, payments made for foreign tax contingencies	8,000	0
Unrecognized tax benefits, income tax penalties and interest expense, Total	$ 10,000	$ 4,000