Note 3 - Summary of Significant Accounting Policies (Details Textual)	12 Months Ended
	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)		Dec. 31, 2019 CNY (¥)	Oct. 31, 2019 USD ($)	May 31, 2018
Net Income (Loss) Attributable to Parent, Total	$ (1,261,000)	$ (14,025,000)
Cash and Cash Equivalents, at Carrying Value, Ending Balance	1,603,000	3,742,000
Net Cash Provided by (Used in) Operating Activities, Total	(4,311,000)	(5,389,000)
Restricted Cash and Cash Equivalents, Total		30,000			$ 30,000
Accounts Receivable, Allowance for Credit Loss, Ending Balance	2,340,000	760,000
Accounts Receivable, Allowance for Credit Loss, Writeoff	2,500,000
Equity Method Investment, Other than Temporary Impairment	$ 0	0
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Total		450,000
Finite-Lived Intangible Asset, Useful Life (Year)	6 years 189 days
Impairment of Intangible Assets (Excluding Goodwill), Total	$ 3,330,000	3,330,000
Goodwill, Impairment Loss		5,211,000
Contract with Customer, Performance Obligation Satisfied in Previous Period	0	0
Contract with Customer, Asset, Net, Total	0
Advertising Expense		1,100,000
Research and Development Expense, Total	$ 869,000	933,000
Lessee, Operating Lease, Discount Rate	6.00%			6.00%
Short-term Lease, Cost	$ 230,000
Short-term Lease Liability	136,000		[1]
Operating Lease, Right-of-Use Asset	12,000
Operating Lease, Cost	90,000
Operating Leases, Rent Expense, Net, Total		410,000
Lessee, Operating Lease, Liability, Payments, Due, Total	10,000
Statute of Limitations, Special Circumstances, Underpayment of Taxes Threshold | ¥				¥ 100,000
Other Current Assets [Member]
Operating Lease, Right-of-Use Asset	12,000,000
Other Current Liabilities [Member]
Operating Lease, Liability, Total	$ 10,000
CHINA
Number of Lease Offices	2			2
Beijing Chuang Fu Tian Xia [Member]
Variable Interest Entity, Remaining Ownership Percentage Acquired						49.00%
Income (Loss) from Acquisition of Variable Interest Entity		(1,810,000)
Reallocation of Variable Interest Entity’s Accumulated Comprehensive Loss to the Parent's Equity		$ 30,000
Minimum [Member] | Long Term Loan, Business Entities, Collateralized Basis [Member]
Debt Instrument, Term (Year)	1 year
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)	3 years			3 years
Maximum [Member] | Long Term Loan, Business Entities, Collateralized Basis [Member]
Debt Instrument, Term (Year)	5 years
Purchased Software and Software Platform [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	2 years
Purchased Software and Software Platform [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)	10 years

[1] All of the VIEs' assets can be used to settle obligations of their primary beneficiary. Liabilities recognized as a result of consolidating these VIEs do not represent additional claims on the Company's general assets (Note 2).