Significant Accounting Policies: PPE Revenue Recognition & EPS (Details) - USD ($)	12 Months Ended
	Dec. 31, 2016	Dec. 26, 2015	Dec. 27, 2014
Goodwill
Goodwill impairment	$ 0	$ 0
Goodwill	607,500	607,500
Advertising
Advertising costs	$ 200,300	199,300	$ 252,800
Accounting for Stock-Based Compensation
Stock options, vesting period	4 years
Revenue Recognition
Deferred franchise fee revenue	$ 1,545,900	1,743,100
Period of recognition of deferred software license fees	10 years
Deferred software license fees	$ 1,672,500	$ 1,591,600
Earnings Per Share
Denominator for basic EPS - weighted average common shares	4,122,854	4,458,927	5,069,391
Dilutive shares associated with option plans	207,636	192,600	147,523
Denominator for diluted EPS - weighted average common shares and dilutive potential common shares	4,330,490	4,651,527	5,216,914
Options excluded from EPS calculation - anti-dilutive (in shares)	31,590	22,459	39,240
Computer and peripheral equipment | Minimum
Property, plant and equipment
Estimated useful lives	3 years
Computer and peripheral equipment | Maximum
Property, plant and equipment
Estimated useful lives	5 years
Furniture and equipment | Minimum
Property, plant and equipment
Estimated useful lives	5 years
Furniture and equipment | Maximum
Property, plant and equipment
Estimated useful lives	7 years