4) Stock-based Compensation: Schedule of stock inventive plan changes (Details) - USD ($)	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Dec. 31, 2014	Dec. 31, 2013
Class A Common Stock
Shares, Outstanding	488,543	368,340	512,795	405,133
Shares outstanding	$ 3.25	$ 2.50	$ 3.20	$ 2.41
Shares Exercised	(15,406)	(34,955)
Per Share Shares Exercised		$ 1.44
Shares Cancelled	(8,846)	(1,838)
Per Share Shares cancelled	$ 2.31	$ 2.92
Options Exercisable	409,961	325,243
Options exercisable	$ 2.99	$ 2.23
Available options for future grant	$ 266,649	$ 314,480
Weighted average contractual term of options outstanding	7.37 years	6.77 years
Weighted average contractual term of options exercisable	6.99 years	6.42 years
Aggregated intrinsic value of options outstanding	$ 1,698,099	$ 690,130
Aggregated intrinsic value of options exercisable	$ 1,534,777	$ 689,924
Class C Common Stock
Shares, Outstanding	577,568	508,656	691,591	508,656
Shares outstanding	$ 2.62	$ 2.00	$ 2.00	$ 2.00
Shares Exercised	(114,023)
Per Share Shares Exercised	$ 2.14
Options Exercisable	511,318	482,406
Options exercisable	$ 2.34	$ 1.84
Available options for future grant		$ 105,000
Weighted average contractual term of options outstanding	2.69 years	2.11 years
Weighted average contractual term of options exercisable	2.35 years	1.99 years
Aggregated intrinsic value of options outstanding	$ 2,375,472	$ 1,194,177
Aggregated intrinsic value of options exercisable	$ 2,242,810	$ 1,194,177