Note 2 - Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Consolidation, Wholly Owned and Less than Wholly Owned Subsidiary, Parent Ownership Interest [Table Text Block]

Company	Registered	% Owned
Shoal Media (Canada) Inc.	British Columbia, Canada		100%
Coral Reef Marketing Inc.	Anguilla		100%
Kidoz Ltd.	Israel		100%
Rooplay Media Ltd.	British Columbia, Canada		100%
Rooplay Media Kenya Limited	Kenya		100%
Shoal Media Inc.	Anguilla		100%
Shoal Games (UK) Plc	United Kingdom		99%
Shoal Media (UK) Ltd.	United Kingdom		100%

Property, Plant and Equipment, Useful Life [Table Text Block]

Equipment and computers (in years)	3
Furniture and fixtures (in years)	5

Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]

	2019		2018
Expected dividend yield		-		-
Expected stock price volatility		-		109	%
Weighted average volatility		-		96	%
Risk-free interest rate		-		1.97	%
Expected life of options (in years)		-		5
Forfeiture rate		-		5	%

Schedule of Finite-Lived Intangible Assets, Amortization Period [Table Text Block]

	Amortization period (in years)
Ad Tech technology		5
Kidoz OS technology		3
Customer relationship		8

Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]

	2019			2018
Loss for the year	$	(14,654,232	)	$	(2,592,831	)
Basic and diluted weighted average number of common shares outstanding		121,208,912			72,111,456
Basic and diluted loss per common share outstanding	$	(0.12	)	$	(0.04	)