4) Stock-based Compensation: Schedule of stock inventive plan changes (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Dec. 31, 2014
Class A Common Stock
Shares, Outstanding	503,949	512,795
Shares outstanding	$ 3.21	$ 3.20
Shares Cancelled	(8,846)
Per Share Shares cancelled	$ 2.31
Options Exercisable	379,946
Options exercisable	$ 2.75
Available options for future grant	$ 266,649
Weighted average contractual term of options outstanding	7.57 years
Weighted average contractual term of options exercisable	6.91 years
Aggregated intrinsic value of options outstanding	1,076,880
Aggregated intrinsic value of options exercisable	988,022
Class C Common Stock
Shares, Outstanding	577,568	691,591
Shares outstanding	$ 2.62	$ 2.00
Shares Exercised	(114,023)
Per Share Shares Exercised	$ 2.14
Options Exercisable	471,943
Options exercisable	$ 2.15
Weighted average contractual term of options outstanding	2.93 years
Weighted average contractual term of options exercisable	2.30 years
Aggregated intrinsic value of options outstanding	1,572,653
Aggregated intrinsic value of options exercisable	$ 1,506,415