Note 10 - Intangible Assets, Net - Intangible Assets, Net (Details) - USD ($)	Jun. 30, 2022	Dec. 31, 2021
Finite-lived intangible assets	$ 9,749,000	$ 9,856,000
Finite-lived intangible assets, Accumulated amortization	2,885,000	1,887,000
Finite-lived intangible assets, Impairment	424,000	446,000
Intangible assets, net	6,440,000	7,523,000
Finite-lived intangible assets, Accumulated amortization	(2,885,000)	(1,887,000)
Finite-lived intangible assets, Impairment	(424,000)	(446,000)
Cloud-Computing Based Software Platforms [Member]
Finite-lived intangible assets	1,383,000	1,456,000
Finite-lived intangible assets, Accumulated amortization	(959,000)	(1,010,000)
Finite-lived intangible assets, Impairment	(424,000)	(446,000)
Intangible assets, net	0	0
Finite-lived intangible assets, Accumulated amortization	959,000	1,010,000
Finite-lived intangible assets, Impairment	424,000	446,000
Licensing Agreements [Member]
Finite-lived intangible assets	1,200	1,205,000
Finite-lived intangible assets, Accumulated amortization	(312)	(255,000)
Intangible assets, net	888	950,000
Finite-lived intangible assets, Accumulated amortization	312	255,000
Internet Ad Tracking System [Member]
Finite-lived intangible assets	1,153,000	1,158,000
Finite-lived intangible assets, Accumulated amortization	(289,000)	(174,000)
Intangible assets, net	864,000	984,000
Finite-lived intangible assets, Accumulated amortization	289,000	174,000
Livestreaming Technology [Member]
Finite-lived intangible assets	1,500,000	1,500,000
Finite-lived intangible assets, Accumulated amortization	(475,000)	(325,000)
Intangible assets, net	1,025,000	1,175,000
Finite-lived intangible assets, Accumulated amortization	475,000	325,000
Blockchain Integrated Framework Platform [Member]
Finite-lived intangible assets	4,038,000	4,038,000
Finite-lived intangible assets, Accumulated amortization	(673,000)	0
Intangible assets, net	3,365,000	4,038,000
Finite-lived intangible assets, Accumulated amortization	673,000	0
Bo!News Application [Member]
Finite-lived intangible assets	358,000	376,000
Finite-lived intangible assets, Accumulated amortization	(60,000)	0
Intangible assets, net	298,000	376,000
Finite-lived intangible assets, Accumulated amortization	60,000	0
Other Computer Software [Member]
Finite-lived intangible assets	117,000	123,000
Finite-lived intangible assets, Accumulated amortization	(117,000)	(123,000)
Intangible assets, net	0	0
Finite-lived intangible assets, Accumulated amortization	$ 117,000	$ 123,000