Note 5 - Income Taxes (Detail) - Deferred tax assets and liabilities (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Deferred tax assets:
Net operating loss carry forwards	$ 3,671	$ 4,989
Deferred revenue	93	128
Allowance for doubtful accounts and other receivable	33	15
Share-based compensation expense	659	573
Foreign subsidiaries	201
Depreciation	171	66
Acquisition costs	51	50
Other	175	174
Valuation allowance	(4,248)	(5,495)
Total deferred tax assets	806	500
Deferred tax liabilities:
Goodwill	134	117
Foreign subsidiaries	7
Capitalized software development costs	471	383
Total deferred tax liabilities	612	500
Net deferred taxes	$ 194