| Schedule of Stock by Class [Table Text Block] |
|
Date
|
Series
Design-
ation
|
|
Conversion
Price
|
|
|
Shares
|
|
|
Gross
Proceeds
|
|
|
Fees
|
|
|
Net
Proceeds
|
|
|
Conversion
Shares
|
|
|
Placement
Agent
Warrants
(1)
|
|
| Fiscal Year Ended December 31, 2022 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
November 22, 2022
|
Series A |
|
$ |
0.6200 |
|
|
|
5,359 |
|
|
$ |
5,359,000 |
|
|
$ |
752,000 |
|
|
$ |
4,607,000 |
|
|
|
8,644,000 |
|
|
|
1,253,000 |
|
|
November 28, 2022
|
Series A-2 |
|
$ |
0.6646 |
|
|
|
1,297 |
|
|
|
1,297,000 |
|
|
|
169,000 |
|
|
|
1,128,000 |
|
|
|
1,952,000 |
|
|
|
283,000 |
|
|
November 30, 2022
|
Series A-3 |
|
$ |
0.6704 |
|
|
|
1,733 |
|
|
|
1,733,000 |
|
|
|
225,000 |
|
|
|
1,508,000 |
|
|
|
2,585,000 |
|
|
|
375,000 |
|
|
December 22, 2022
|
Series A-4 |
|
$ |
0.3801 |
|
|
|
1,934 |
|
|
|
1,934,000 |
|
|
|
251,000 |
|
|
|
1,683,000 |
|
|
|
5,088,000 |
|
|
|
738,000 |
|
| Total – as of December 31, 2022 |
|
|
|
|
|
|
10,323 |
|
|
|
10,323,000 |
|
|
|
1,397,000 |
|
|
|
8,926,000 |
|
|
|
18,269,000 |
|
|
|
2,649,000 |
|
|
Three Months Ended March 31, 2023
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
January 31, 2023
|
Series A-5 |
|
$ |
0.5546 |
|
|
|
2,299 |
|
|
|
2,299,000 |
|
|
|
299,000 |
|
|
|
2,000,000 |
|
|
|
4,145,000 |
|
|
|
601,000 |
|
| Total – as of March 31, 2023 |
|
|
|
|
|
|
12,622 |
|
|
$ |
12,622,000 |
|
|
$ |
1,696,000 |
|
|
$ |
10,926,000 |
|
|
|
22,414,000 |
|
|
|
3,250,000 |
|
|