v3.26.1
Note 2 - Liquidity (Details Textual) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Nov. 13, 2025
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Mar. 31, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
Apr. 11, 2025
Mar. 31, 2023
Net Income (Loss) Attributable to Parent   $ (3,080) $ (6,855) $ (4,278) $ (15,523) $ (9,935) $ (19,801)      
Noncash Expense           5,000        
Financing Receivable, Credit Loss, Expense (Reversal)           1,800        
Depreciation, Depletion and Amortization           1,660 1,763      
Share-Based Payment Arrangement, Noncash Expense           737 2,181      
Operating Lease, Right-of-Use Asset, Periodic Reduction           741 67      
Cash Provided by (Used in) Operating Activity, Including Discontinued Operation           (4,755) $ (2,078)      
Cash and Cash Equivalent   1,025       1,025   $ 969    
Working Capital   5,500       5,500        
Accounts Receivable, after Allowance for Credit Loss   6,700       6,700        
At the Market Issuance [Member]                    
Equity Issuable, Maximum Value $ 15,600               $ 15,600  
Equity Issuable, Maximum Commitment Fee Percentage of Gross Proceeds of Equity Sale 3.00%                  
Equity Issuable, Remaining Value   10,000       10,000        
OCI Group [Member] | Line of Credit [Member]                    
Line of Credit Facility, Maximum Borrowing Capacity                   $ 100,000
Long-Term Line of Credit   $ 0       $ 0