Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Debt (Details Textual)

v3.19.1
Note 9 - Debt (Details Textual)
12 Months Ended
Jan. 03, 2017
USD ($)
Dec. 31, 2016
USD ($)
Mar. 31, 2019
USD ($)
Feb. 28, 2019
USD ($)
Number of Notes Payable Delivered as a Portion of the Consideration Paid in Connection With Acquisitions   2    
Debt Instrument, Face Amount       $ 100,000
Revolving Credit Facility [Member]        
Debt Instrument, Interest Rate, Stated Percentage 10.00%      
Line of Credit Facility, Maximum Borrowing Capacity $ 5,000,000      
Line of Credit Facility, Minimum Interest Payment Over Life of Credit Agreement 200,000      
Line of Credit Facility, Periodic Payment, Interest $ 25,000      
Long-term Line of Credit, Total     $ 1,000,000  
Notes Payable Delivered as a Portion of the Consideration Paid in Connection With Acquisitions [Member]        
Debt Instrument, Face Amount   $ 186,000    
Debt Instrument, Interest Rate, Stated Percentage   4.25%