Note 12. Income Taxes (Details 1) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Income Tax Disclosure [Abstract]
Federal statutory tax rate	34.00%	34.00%
Federal statutory tax rate, amount	$ 686,597	$ 4,113
State tax rate	3.30%	(8.60%)
State tax rate, amount	$ 65,660	$ (1,042)
Permanent difference - stock-based compensation	1.60%	226.60%
Permanent difference - stock-based compensation, amount	$ 32,562	$ 27,410
Permanent difference - other	3.30%	73.40%
Permanent difference - other, amount	$ 67,269	$ 8,888
Permanent items - disallowed interest	0.00%	251.60%
Permanent items - disallowed interest, amount	$ 0	$ 30,433
Provision to return	(0.40%)	(254.60%)
Provision to return, amount	$ (7,796)	$ (30,797)
Change in unrecognized tax benefits	(2.80%)	477.40%
Change in unrecognized tax benefits, amount	$ (57,749)	$ 57,749
Write-off of net operating losses	0.00%	1455.20%
Write-off of net operating losses, amount	$ 0	$ 176,034
Foreign rate differential	(2.60%)	(273.10%)
Foreign rate differential, amount	$ (52,502)	$ (33,032)
Research and development credit	(2.80%)	(228.30%)
Research and development credit, amount	$ (55,726)	$ (27,623)
UK rate change	0.00%	(32.20%)
UK rate change, amount	$ 0	$ (3,898)
Other	0.00%	121.80%
Other, amount	$ 0	$ 14,738
Subtotal	33.60%	1843.20%
Subtotal, amount	$ 678,315	$ 222,973
Change in valuation allowance	(10.60%)	(2938.40%)
Change in valuation allowance, amount	$ (213,965)	$ (355,460)
Total	23.00%	(1095.20%)
Total, amount	$ 464,350	$ (132,487)