Note 13 - Subsequent Events - Accrued Stock Compensation (Details) (Parentheticals) - USD ($)		12 Months Ended
	Feb. 26, 2019	Dec. 31, 2019
Share-based Compensation, Accrued Compensation Quarter Two [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3499
Share-based Compensation, Accrued Compensation Quarter Two [Member] | i2China Mgt LLC [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3499
Stock Compensation Per Quarter		$ 6,000
Share-based Compensation, Accrued Compensation Quarter Three [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.4183
Share-based Compensation, Accrued Compensation Quarter Three [Member] | i2China Mgt LLC [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.4183
Stock Compensation Per Quarter		$ 6,000
Share-based Compensation, Accrued Compensation Quarter Four [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3043
Share-based Compensation, Accrued Compensation Quarter Four [Member] | i2China Mgt LLC [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3043
Stock Compensation Per Quarter		$ 6,000
Stephen Chen [Member]
Deferred Compensation Arrangement with Individual, Exercise Price	$ 0.25
Stephen Chen [Member] | Share-based Compensation, Accrued Compensation Quarter Two [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3499
Stock Compensation Per Quarter		$ 25,000
Stephen Chen [Member] | Share-based Compensation, Accrued Compensation Quarter Three [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.4183
Stock Compensation Per Quarter		$ 25,000
Stephen Chen [Member] | Share-based Compensation, Accrued Compensation Quarter Four [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3043
Stock Compensation Per Quarter		$ 25,000
Bernard Cohen [Member]
Deferred Compensation Arrangement with Individual, Exercise Price	$ 0.25
Bernard Cohen [Member] | Share-based Compensation, Accrued Compensation Quarter Two [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3499
Stock Compensation Per Quarter		$ 3,000
Bernard Cohen [Member] | Share-based Compensation, Accrued Compensation Quarter Three [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.4183
Stock Compensation Per Quarter		$ 3,000
Bernard Cohen [Member] | Share-based Compensation, Accrued Compensation Quarter Four [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3043
Stock Compensation Per Quarter		$ 3,000
Dr. Celee Spidel [Member] | Share-based Compensation, Accrued Compensation Quarter Two [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3499
Stock Compensation Per Quarter		$ 1,500
Dr. Celee Spidel [Member] | Share-based Compensation, Accrued Compensation Quarter Three [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.4183
Stock Compensation Per Quarter		$ 1,500
Dr. Celee Spidel [Member] | Share-based Compensation, Accrued Compensation Quarter Four [Member]
Deferred Compensation Arrangement with Individual, Exercise Price		$ 0.3043
Stock Compensation Per Quarter		$ 1,500