Note 15 - Concentrations of Credit Risk	12 Months Ended
Dec. 31, 2016
Notes to Financial Statements
Concentration Credit Risk [Text Block]	15. Concentrations of credit risk: Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and accounts receivable. The Company places its cash with high quality financial institutions and limits the amount of credit exposure with any one institution. The Company currently maintains a substantial portion of its day-to-day operating cash balances at financial institutions. At December 31, 2016, the Company had total cash balances of $60,190 (2015 - $570,086) at financial institutions, where $ nil (2015 - $303,983) is in excess of federally insured limits. The Company has concentrations of credit risk with respect to accounts receivable, the majority of its accounts receivable are concentrated geographically in the United States amongst a small number of customers. As of December 31, 2016, the Company had four customers, totaling $13,300 who accounted for greater than 10% of the total accounts receivable. As of December 31, 2015, the Company had three customers, totaling $40,818 who accounted for greater than 10% of the total accounts receivable. The Company controls credit risk through monitoring procedures and receiving prepayments of cash for services rendered. The Company performs credit evaluations of its customers but generally does not require collateral to secure accounts receivable.

15.

Concentrations of credit risk:

Financial instruments that potentially subject the Company to concentrations of credit risk consist primarily of cash and accounts receivable. The Company places its cash with high quality financial institutions and limits the amount of credit exposure with any

one

institution.

The Company currently maintains a substantial portion of its day-to-day operating cash balances at financial institutions. At

December

31,

2016,

the Company had total cash balances of

$60,190

(2015

$570,086)

at financial institutions, where $

nil

(2015

$303,983)

is in excess of federally insured limits.

The Company has concentrations of credit risk with respect to accounts receivable, the majority of its accounts receivable are concentrated geographically in the United States amongst a small number of customers.

As of

December

31,

2016,

the Company had

four

customers, totaling

$13,300

who accounted for greater than

10%

of the total accounts receivable. As of

December

31,

2015,

the Company had

three

customers, totaling

$40,818

who accounted for greater than

10%

of the total accounts receivable.

The Company controls credit risk through monitoring procedures and receiving prepayments of cash for services rendered. The Company performs credit evaluations of its customers but generally does not require collateral to secure accounts receivable.