Note 6 - Accrued Expenses - Accrued Expenses (Details) - USD ($)	Dec. 31, 2016	Dec. 31, 2015
Indemnification liability		$ 450,000
Accrued commissions	221,837	440,232
Reserve for merchant losses	172,832	248,868
Other accrued expenses	192,769	112,414
Accrued taxes	38,469	54,077
Accrued salaries	77,415	23,147
Total accrued expenses	$ 703,322	$ 1,328,738