Note 4 - Summary of Significant Accounting Policies (Details Textual) $ / shares in Units, $ in Thousands		12 Months Ended
	Jan. 18, 2023 $ / shares shares	Dec. 31, 2023 USD ($) $ / shares shares	Dec. 31, 2022 USD ($) $ / shares shares	Jan. 17, 2023 shares	Jan. 01, 2023 USD ($)	Dec. 31, 2021 USD ($)
Cash and cash equivalents		$ 817	$ 4,391
Accounts Receivable, Allowance for Credit Loss		246	1,763
Other than Temporary Impairment Losses, Investments		$ 433	596
Finite-Lived Intangible Asset, Useful Life (Year)		1 year
Impairment of Intangible Assets (Excluding Goodwill)		$ 1,231	$ 2,123
Common Stock, Par or Stated Value Per Share (in dollars per share) | $ / shares	$ 0.001	$ 0.001	$ 0.001
Common Stock, Shares Authorized (in shares) | shares	20,000,000	20,000,000	20,000,000	100,000,000
Stock Issued During Period, Fractional Shares, Reverse Stock Splits (in shares) | shares	0
Common Stock, Shares, Issued (in shares) | shares	7,174,506	7,204,506	7,174,506	35,827,677
Contract with Customer, Asset, after Allowance for Credit Loss		$ 0
Contract with Customer, Performance Obligation Satisfied in Previous Period		0	$ 0
Research and Development Expense		17	229
Lease payment liabilities related to short-term leases		99	101
Operating lease right-of-use assets		22	1,761			$ 1,760
Operating Lease, Liability		24				1,880
Retained Earnings (Accumulated Deficit)		(59,690)	(53,525)
Accounts Receivable, Allowance for Credit Loss		3,987	3,760			2,236
Financing Receivable, Allowance for Credit Loss		$ 1,559	617			0
Accounting Standards Update 2016-13 [Member] | Cumulative Effect, Period of Adoption, Adjustment [Member]
Retained Earnings (Accumulated Deficit)					$ 190
Accounts Receivable, Allowance for Credit Loss			36		40	0
Financing Receivable, Allowance for Credit Loss			155		$ 150	$ 0
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio	5
Minimum [Member]
Lessee, Operating Lease, Term of Contract (Year)		1 year
Maximum [Member]
Lessee, Operating Lease, Term of Contract (Year)		8 years
Purchased Software and Software Platform [Member] | Minimum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		3 years
Purchased Software and Software Platform [Member] | Maximum [Member]
Finite-Lived Intangible Asset, Useful Life (Year)		10 years
Variable Interest Entity, Primary Beneficiary [Member]
Cash and cash equivalents		$ 367	578
Lease payment liabilities related to short-term leases		99	101
Operating lease right-of-use assets		0	145
Subsidiaries [Member] | Subsidiary's Payment on Behalf of Parent to Satisfy Shareholder loans Obligation [Member]
Related Party Transaction, Amounts of Transaction		790
Subsidiaries [Member] | Subsidiary, Loan to Variable Entity Interests (VIEs) [Member] | Variable Interest Entity, Primary Beneficiary [Member]
Related Party Transaction, Amounts of Transaction		550	$ 340
Scenario, Plan [Member]
Dividends, Common Stock, Cash		0
UNITED STATES
Cash and cash equivalents		420
CHINA
Cash and cash equivalents		400
CHINA | PRC Subsidiary And VIE's [Member] | Cash Transfer [Member]
Related Party Transaction, Amounts of Transaction		$ 0