Note 12. Income Taxes (Details 2) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Assets:
Net operating loss	$ 178,699	$ 254,123
Deferred revenue	138,009	51,914
Allowance for doubtful accounts	142,181	135,663
Stock options	297,861	345,779
Basis difference in intangible assets	80,074	118,257
Prepaid D&O Insurance	6,452	10,341
Foreign tax credits carryforward	1,180,833	1,180,833
Other	37,765	26,916
Total deferred tax asset	2,061,874	2,123,826
Less: Valuation allowance	(1,193,990)	(1,407,955)
Total net deferred tax asset	867,884	715,871
Liabilities:
Prepaid expenses	(38,484)	(30,460)
Basis difference in fixed assets	0	(4,833)
Capitalized software	(491,894)	(171,584)
Purchase of intangibles	(262,864)	(505,586)
Total deferred tax liability	(793,242)	(712,463)
Total net deferred tax asset / (liability)	74,642	$ 3,408
Change
Assets:
Net operating loss	(75,424)
Deferred revenue	86,095
Allowance for doubtful accounts	6,518
Stock options	(47,918)
Basis difference in intangible assets	(38,183)
Prepaid D&O Insurance	(3,889)
Foreign tax credits carryforward	0
Other	10,849
Total deferred tax asset	(61,952)
Less: Valuation allowance	213,965
Total net deferred tax asset	152,013
Liabilities:
Prepaid expenses	(8,024)
Basis difference in fixed assets	4,833
Capitalized software	(320,310)
Purchase of intangibles	242,722
Total deferred tax liability	(80,779)
Total net deferred tax asset / (liability)	$ 71,234