Annual report pursuant to Section 13 and 15(d)

Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Impact of New Standard on Previously Reported Balance Sheet and Income Statement (Details)

v3.10.0.1
Note 1 - Nature of Operations and Summary of Significant Accounting Policies - Impact of New Standard on Previously Reported Balance Sheet and Income Statement (Details) - USD ($)
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Current assets:      
Deferred franchise costs - current portion   $ 498,000  
Total current assets $ 11,711,345 6,671,123  
Deferred franchise costs, net of current portion   2,313,000  
Deposits and other assets 599,627 623,308  
Total assets 23,526,352 18,436,059
Current liabilities:      
Deferred franchise revenue - current portion   1,994,000  
Other current liabilities 477,528 152,534  
Total current liabilities 8,738,123 5,379,457  
Deferred revenue, net of current portion   9,553,000  
Total liabilities 21,165,108 17,282,626  
Stockholders' equity:      
Accumulated deficit (35,750,908) (36,003,991)  
Total stockholders' equity 2,361,244 1,153,433 $ 6,925,413
Total liabilities and stockholders' equity 23,526,352 18,436,059  
Revenues:      
Revenue from Contract with Customer 31,789,249 24,918,868  
Cost of revenues:      
Total cost of revenues 4,310,249 3,224,238  
Loss from operations 205,114 (3,332,077)  
Loss before income tax expense 215,355 (3,396,532)  
Net loss and comprehensive loss 253,083 $ (3,432,412)  
Loss per share:      
Basic and diluted loss per share (in dollars per share)   $ (0.26)  
Franchise [Member]      
Revenues:      
Revenue from Contract with Customer 1,688,039 $ 1,381,784  
Cost of revenues:      
Franchise cost of revenues 3,956,530 2,908,841  
Regional Developer Fees [Member]      
Revenues:      
Revenue from Contract with Customer $ 599,370 399,045  
Previously Reported [Member]      
Current assets:      
Deferred franchise costs - current portion   484,000  
Total current assets   6,657,000  
Deferred franchise costs, net of current portion   813,000  
Deposits and other assets   612,000  
Total assets   16,910,000  
Current liabilities:      
Deferred franchise revenue - current portion   1,686,000  
Other current liabilities   49,000  
Total current liabilities   4,967,000  
Deferred revenue, net of current portion   4,693,000  
Total liabilities   12,011,000  
Stockholders' equity:      
Accumulated deficit   (32,259,000)  
Total stockholders' equity   4,899,000  
Total liabilities and stockholders' equity   16,910,000  
Revenues:      
Revenue from Contract with Customer   25,164,000  
Cost of revenues:      
Total cost of revenues   3,312,000  
Loss from operations   (3,175,000)  
Loss before income tax expense   (3,239,000)  
Net loss and comprehensive loss   $ (3,275,000)  
Loss per share:      
Basic and diluted loss per share (in dollars per share)   $ (0.25)  
Previously Reported [Member] | Franchise [Member]      
Revenues:      
Revenue from Contract with Customer   $ 1,442,000  
Cost of revenues:      
Franchise cost of revenues   2,997,000  
Previously Reported [Member] | Regional Developer Fees [Member]      
Revenues:      
Revenue from Contract with Customer   584,000  
Restatement Adjustment [Member] | Accounting Standards Update 2014-09 [Member]      
Current assets:      
Deferred franchise costs - current portion   14,000  
Total current assets   14,000  
Deferred franchise costs, net of current portion   1,500,000  
Deposits and other assets   12,000  
Total assets   1,526,000  
Current liabilities:      
Deferred franchise revenue - current portion   308,000  
Other current liabilities   104,000  
Total current liabilities   412,000  
Deferred revenue, net of current portion   4,859,000  
Total liabilities   5,271,000  
Stockholders' equity:      
Accumulated deficit   (3,745,000)  
Total stockholders' equity   (3,745,000)  
Total liabilities and stockholders' equity   1,526,000  
Revenues:      
Revenue from Contract with Customer   (245,000)  
Cost of revenues:      
Total cost of revenues   (88,000)  
Loss from operations   (157,000)  
Loss before income tax expense   (157,000)  
Net loss and comprehensive loss   $ (157,000)  
Loss per share:      
Basic and diluted loss per share (in dollars per share)   $ (0.01)  
Restatement Adjustment [Member] | Franchise [Member] | Accounting Standards Update 2014-09 [Member]      
Revenues:      
Revenue from Contract with Customer   $ (61,000)  
Cost of revenues:      
Franchise cost of revenues   (88,000)  
Restatement Adjustment [Member] | Regional Developer Fees [Member] | Accounting Standards Update 2014-09 [Member]      
Revenues:      
Revenue from Contract with Customer   $ (185,000)