Note 9 - Income Taxes (Tables)
|
12 Months Ended |
Dec. 31, 2025 |
|---|
| Notes Tables |
|
| Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] |
| |
|
2025
|
|
|
2024
|
|
|
United States
|
|
$ |
(20,726,000 |
) |
|
$ |
(16,474,000 |
) |
|
Foreign
|
|
|
- |
|
|
|
- |
|
|
Loss from operations before income taxes
|
|
$ |
(20,726,000 |
) |
|
$ |
(16,474,000 |
) |
|
| Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] |
| |
|
2025
|
|
|
2024
|
|
|
Current:
|
|
|
|
|
|
|
|
|
|
Federal taxes
|
|
$ |
- |
|
|
$ |
- |
|
|
State taxes
|
|
|
5,000 |
|
|
|
- |
|
|
Foreign taxes
|
|
|
- |
|
|
|
- |
|
|
Total current
|
|
$ |
5,000 |
|
|
$ |
- |
|
| |
|
|
|
|
|
|
|
|
|
Deferred:
|
|
|
|
|
|
|
|
|
|
Federal taxes
|
|
$ |
6,000 |
|
|
$
|
50,000 |
|
|
State taxes
|
|
|
(20,000 |
) |
|
|
111,000 |
|
|
Foreign taxes
|
|
|
- |
|
|
|
- |
|
|
Total deferred
|
|
|
(14,000 |
) |
|
|
161,000 |
|
| |
|
|
|
|
|
|
|
|
|
Net (benefit from) provision for income taxes
|
|
$ |
(9,000 |
) |
|
$ |
161,000 |
|
|
| Schedule of Deferred Tax Assets and Liabilities [Table Text Block] |
| |
|
2025
|
|
|
2024
|
|
|
Deferred tax assets:
|
|
|
|
|
|
|
|
|
|
Net operating loss and credits
|
|
$ |
43,800,000 |
|
|
$ |
40,819,000 |
|
|
Intangibles – definite lived
|
|
|
2,469,000 |
|
|
|
2,791,000 |
|
|
Stock compensation
|
|
|
662,000 |
|
|
|
1,856,000 |
|
|
Accrued liabilities
|
|
|
156,000 |
|
|
|
171,000 |
|
|
State taxes
|
|
|
1,000 |
|
|
|
3,000 |
|
|
Capitalized research and development costs
|
|
|
1,763,000 |
|
|
|
2,923,000 |
|
|
Total deferred tax assets
|
|
|
48,851,000 |
|
|
|
48,563,000 |
|
| |
|
|
|
|
|
|
|
|
|
Valuation allowance
|
|
|
(48,968,000 |
) |
|
|
(48,351,000 |
) |
| |
|
|
|
|
|
|
|
|
|
Deferred tax liabilities:
|
|
|
|
|
|
|
|
|
|
Fixed assets
|
|
|
(30,000 |
) |
|
|
(35,000 |
) |
|
Intangibles – indefinite lived
|
|
|
- |
|
|
|
(338,000 |
) |
|
Total deferred tax liabilities
|
|
|
(30,000 |
) |
|
|
(373,000 |
) |
|
Total net deferred tax assets (liabilities), net of valuation allowance
|
|
$ |
(147,000 |
) |
|
$ |
(161,000 |
) |
|
| Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] |
| |
|
2025
|
|
| |
|
Amount
|
|
|
Percentage
|
|
|
Statutory federal– tax rate - (benefit) expense
|
|
$ |
(4,352,000 |
) |
|
|
-21 |
% |
|
State tax, net
|
|
|
30,000 |
|
|
|
|
% |
|
Change in valuation allowance
|
|
|
2,028,000 |
|
|
|
-10 |
% |
|
Nontaxable or nondeductible items:
|
|
|
|
|
|
|
|
|
|
Material Nondeductible items – change in fair value of warrant liability
|
|
|
- |
|
|
|
- |
|
|
Other items under 5% each
|
|
|
1,519,000 |
|
|
|
7 |
% |
|
Prior year true-up
|
|
|
766,000 |
|
|
|
4 |
% |
|
(Provision) benefit for income taxes
|
|
$ |
(9,000 |
) |
|
|
- |
% |
| |
|
2024
|
|
| |
|
|
|
|
|
Statutory federal– tax rate - (benefit) expense
|
|
|
21 |
% |
|
State tax, net
|
|
|
7 |
% |
|
Non-deductible permanent items
|
|
|
(1 |
) % |
|
Change in tax rate
|
|
|
3 |
% |
|
Foreign taxes
|
|
|
- |
% |
|
Other
|
|
|
3 |
% |
|
Valuation allowance
|
|
|
(34 |
)% |
| |
|
|
(1 |
)% |
|