Note 10 - Loans Payable (Details Textual) - USD ($) | Jun. 01, 2019 | Jul. 27, 2018 | Dec. 31, 2019 | Dec. 31, 2019 | Dec. 31, 2018 | Mar. 31, 2019 |
Secured Debt, Total | | | $ 376,927 | $ 376,927 | | |
Gain (Loss) on Disposition of Property Plant Equipment, Total | | | | (1,751) | | |
Secured Long-term Debt, Noncurrent | | | 27,257 | 27,257 | | $ 14,057 |
Secured Debt, Current | | | 349,670 | 349,670 | | $ 82,449 |
Vehicles [Member] | | | | | | |
Proceeds from Sale of Property, Plant, and Equipment, Total | $ 19,464 | | | | | |
Gain (Loss) on Disposition of Property Plant Equipment, Total | $ (1,751) | | | | | |
0% Loan Payable [Member] | | | | | | |
Debt Instrument, Term | | | | | | 5 years |
Debt Instrument, Periodic Payment, Total | | | | | | $ 541 |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | 0.00% |
Debt Instrument, Unamortized Discount, Total | | | | | | $ 0 |
Secured Debt, Total | | | 0 | 0 | | |
Loan Agreement [Member] | | | | | | |
Debt Instrument, Term | | 1 year | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | 24.37% | | | | |
Debt Instrument, Face Amount | | $ 100,000 | | | | |
Short-term Debt, Total | | | 0 | 0 | | $ 65,464 |
Loan In Order to Acquire Equipment [Member] | | | | | | |
Debt Instrument, Term | | | | | | 1 year |
Debt Instrument, Periodic Payment, Total | | | | | | $ 954 |
Debt Instrument, Interest Rate, Stated Percentage | | | | | | 0.00% |
Debt Instrument, Unamortized Discount, Total | | | | | | $ 0 |
Short-term Debt, Total | | | $ 0 | $ 0 | | $ 10,497 |
Verbal Loan Agreements [Member] | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | | | 0.00% | 0.00% | | |
Debt Instrument, Face Amount | | | $ 501,077 | $ 501,077 | | |
Debt Instrument, Interest Rate, Effective Percentage | | | 6.59% | 6.59% | | |
Verbal Loan Agreements One [Member] | | | | | | |
Debt Instrument, Periodic Payment, Total | | | | $ 5,000 | | |
Debt Instrument, Face Amount | | | $ 270,604 | 270,604 | | |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | | | 221,910 | 221,910 | | |
Verbal Loan Agreements One [Member] | Equipment [Member] | | | | | | |
Payments to Acquire Property, Plant, and Equipment, Down Payment | | | | 27,990 | | |
Verbal Loan Agreements Four [Member] | | | | | | |
Debt Instrument, Periodic Payment, Total | | | 5,000 | 1,000 | | |
Debt Instrument, Face Amount | | | 137,040 | 137,040 | | |
Payments to Acquire Property, Plant, and Equipment, Down Payment | | | | 5,000 | | |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | | | 126,040 | 126,040 | | |
Verbal Loan Agreements Two [Member] | | | | | | |
Debt Instrument, Periodic Payment, Total | | | | 1,000 | | |
Debt Instrument, Face Amount | | | 24,163 | 24,163 | | |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | | | 16,395 | 16,395 | | |
Verbal Loan Agreements Two [Member] | Equipment [Member] | | | | | | |
Payments to Acquire Property, Plant, and Equipment, Down Payment | | | | 2,500 | | |
Verbal Loan Agreements Three [Member] | | | | | | |
Debt Instrument, Periodic Payment, Total | | | | 5,000 | | |
Debt Instrument, Face Amount | | | 36,884 | 36,884 | | |
Verbal Loan Agreements Five [Member] | | | | | | |
Debt Instrument, Periodic Payment, Total | | | | 6,477 | | |
Debt Instrument, Face Amount | | | 32,386 | 32,386 | | |
Payments to Acquire Property, Plant, and Equipment, Down Payment | | | | 6,477 | | |
Debt Instrument, Periodic Payment Terms, Balloon Payment to be Paid | | | 6,478 | 6,478 | | |
The 6.59% Loan Payable [Member] | | | | | | |
Debt Instrument, Interest Rate, Stated Percentage | 6.59% | | | | | |
Debt Instrument, Face Amount | $ 34,222 | | | | | |
Secured Long-term Debt, Noncurrent | | | 31,977 | 31,977 | | |
Secured Debt, Current | | | $ 4,720 | $ 4,720 | | |