Note 10 - Intangible Assets, Net - Intangible Assets, Net (Details) - USD ($)	Dec. 31, 2021	Dec. 31, 2020
Finite-lived intangible assets	$ 9,856,000	$ 4,251,000
Finite-lived intangible assets, Accumulated amortization	1,887,000	1,258,000
Finite-lived intangible assets, Impairment	446,000	436,000
Intangible assets, net *	7,523,000	2,557,000
Finite-lived intangible assets, Accumulated amortization	(1,887,000)	(1,258,000)
Finite-lived intangible assets, Impairment	(446,000)	(436,000)
Cloud-Computing Based Software Platforms [Member]
Finite-lived intangible assets	1,456,000	1,423,000
Finite-lived intangible assets, Accumulated amortization	(1,010,000)	978,000
Finite-lived intangible assets, Impairment	(446,000)	436,000
Intangible assets, net *	0	9,000
Finite-lived intangible assets, Accumulated amortization	1,010,000	(978,000)
Finite-lived intangible assets, Impairment	446,000	(436,000)
Licensing Agreements [Member]
Finite-lived intangible assets	1,205	1,208
Finite-lived intangible assets, Accumulated amortization	(255)	135
Intangible assets, net *	950	1,073
Finite-lived intangible assets, Accumulated amortization	255	(135)
Livestreaming Technology [Member]
Finite-lived intangible assets	1,500,000	1,500,000
Finite-lived intangible assets, Accumulated amortization	(325,000)	25,000
Intangible assets, net *	1,175,000	1,475,000
Finite-lived intangible assets, Accumulated amortization	325,000	(25,000)
Internet Ad Tracking System [Member]
Finite-lived intangible assets	1,158,000
Finite-lived intangible assets, Accumulated amortization	(174,000)
Intangible assets, net *	984,000
Finite-lived intangible assets, Accumulated amortization	174,000
Other Computer Software [Member]
Finite-lived intangible assets	123,000	120,000
Finite-lived intangible assets, Accumulated amortization	(123,000)	120,000
Intangible assets, net *	0
Finite-lived intangible assets, Accumulated amortization	123,000	$ (120,000)
Blockchain Integrated Framework Platform [Member]
Finite-lived intangible assets	4,038,000
Finite-lived intangible assets, Accumulated amortization	0
Intangible assets, net *	4,038,000
Finite-lived intangible assets, Accumulated amortization	0
Bo!News Application [Member]
Finite-lived intangible assets	376,000
Finite-lived intangible assets, Accumulated amortization	0
Intangible assets, net *	376,000
Finite-lived intangible assets, Accumulated amortization	$ 0