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Note 2 - Liquidity (Details Textual) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended		12 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Mar. 31, 2025	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024	Mar. 31, 2023
Net Income (Loss) Attributable to Parent	$ (4,870)	$ (4,278)	$ (15,523)	$ 1,297	$ (4,916)	$ (3,037)	$ (24,671)	$ (6,656)
Noncash Expense							17,000	1,200
Goodwill, Impairment Loss	0		$ 10,800	$ 0			10,780	0	$ (0)
Share-Based Payment Arrangement, Noncash Expense							2,483	2,001
Depreciation, Depletion and Amortization							2,661	2,815
Operating Lease, Right-of-Use Asset, Periodic Reduction							758	616
Provision for Other Credit Losses								4,300
Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease)								100
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation							(6,712)	$ (3,052)
Cash and Cash Equivalent	3,348						3,348		$ 4,572
Working Capital	10,900						10,900
Accounts Receivable, after Allowance for Credit Loss	$ 5,900						$ 5,900
OCI Group [Member] | Line of Credit [Member]
Line of Credit Facility, Maximum Borrowing Capacity										$ 100,000
Long-Term Line of Credit										$ 0

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