Note 4 - Summary of Significant Accounting Policies (Details Textual) $ / shares in Units, $ in Thousands			3 Months Ended
	Mar. 07, 2025 USD ($) shares	Sep. 30, 2024 $ / shares shares	Mar. 31, 2025 USD ($) $ / shares shares	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($) $ / shares shares	Sep. 29, 2024 shares
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		12,500,000	12,500,000		12,500,000	50,000,000
Stock Issued During Period, Fractional Shares, Reverse Stock Splits (in shares) | shares		0
Common Stock, Shares, Issued (in shares) | shares		2,301,205	2,301,205			8,704,506
Contract with Customer, Performance Obligation Satisfied in Previous Period | $			$ 0	$ 0
Operating Lease, Right-of-Use Asset | $			82		$ 0
Operating Lease, Liability, Current | $			$ 47		$ 0
Rahula Group Acquisition [Member]
Investment Owned, Shares Acquired During Period | shares	10,000
Asset Acquisition, Consideration Transferred | $	$ 600
Acquired Finite-Lived Intangible Assets, Weighted Average Useful Life (Year)	3 years
Reverse Stock Split [Member]
Stockholders' Equity Note, Stock Split, Conversion Ratio		4