Unaudited Condensed Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands |
Total |
Common Stock [Member] |
Additional Paid-in Capital [Member] |
Treasury Stock [Member] |
Accumulated Deficit [Member] |
Accumulated Other Comprehensive Income [Member] |
| Beginning balance at Mar. 31, 2024 |
$ 3,601
|
$ 1
|
$ 343,270
|
$ (1)
|
$ (339,669)
|
$ 0
|
| Beginning balance, Shares at Mar. 31, 2024 |
|
840,000
|
|
0
|
|
|
| Issuance of common stock from exercise of pre-funded warrants |
1
|
$ 0
|
1
|
$ 0
|
0
|
0
|
| Issuance of common stock from exercise of pre-funded warrants, Shares |
|
115,000
|
|
0
|
|
|
| Issuance of common stock from public offering, net |
6,248
|
$ 0
|
6,248
|
$ 0
|
0
|
0
|
| Issuance of common stock from public offering, Shares |
|
243,000
|
|
0
|
|
|
| Stock-based compensation expense |
156
|
$ 0
|
156
|
$ 0
|
0
|
0
|
| Stock-based compensation expense, Shares |
|
0
|
|
0
|
|
|
| Net loss |
(3,344)
|
$ 0
|
0
|
$ 0
|
(3,344)
|
0
|
| Ending balance at Jun. 30, 2024 |
6,662
|
$ 1
|
349,675
|
$ (1)
|
(343,013)
|
0
|
| Ending balance, Shares at Jun. 30, 2024 |
|
1,198,000
|
|
0
|
|
|
| Beginning balance at Mar. 31, 2024 |
3,601
|
$ 1
|
343,270
|
$ (1)
|
(339,669)
|
0
|
| Beginning balance, Shares at Mar. 31, 2024 |
|
840,000
|
|
0
|
|
|
| Net loss |
(9,340)
|
|
|
|
|
|
| Ending balance at Dec. 31, 2024 |
364
|
$ 1
|
349,373
|
$ (1)
|
(349,009)
|
1
|
| Ending balance, Shares at Dec. 31, 2024 |
|
1,428,000
|
|
0
|
|
|
| Beginning balance at Jun. 30, 2024 |
6,662
|
$ 1
|
349,675
|
$ (1)
|
(343,013)
|
0
|
| Beginning balance, Shares at Jun. 30, 2024 |
|
1,198,000
|
|
0
|
|
|
| Issuance of common stock from exercise of pre-funded warrants |
1
|
$ 0
|
1
|
$ 0
|
0
|
0
|
| Issuance of common stock from exercise of pre-funded warrants, Shares |
|
83,000
|
|
0
|
|
|
| Stock-based compensation expense |
155
|
$ 0
|
155
|
$ 0
|
0
|
0
|
| Stock-based compensation expense, Shares |
|
0
|
|
0
|
|
|
| Financing Fees |
(590)
|
$ 0
|
(590)
|
$ 0
|
0
|
0
|
| Financing Fees, shares |
|
0
|
|
0
|
|
|
| Net loss |
(2,549)
|
$ 0
|
0
|
$ 0
|
(2,549)
|
0
|
| Unrealized gain on available-for-sale debt securities |
1
|
$ 0
|
0
|
$ 0
|
0
|
1
|
| Unrealized gain on available-for-sale debt securities, Shares |
|
0
|
|
0
|
|
|
| Ending balance at Sep. 30, 2024 |
3,680
|
$ 1
|
349,241
|
$ (1)
|
(345,562)
|
1
|
| Ending balance, Shares at Sep. 30, 2024 |
|
1,281,000
|
|
0
|
|
|
| Issuance of common stock under employee and director stock option, RSU, and purchase plans |
0
|
$ 0
|
0
|
$ 0
|
0
|
0
|
| Issuance of common stock under employee and director stock option, RSU, and purchase plans, Shares |
|
10,000
|
|
0
|
|
|
| Issuance of common stock from exercise of pre-funded warrants |
2
|
$ 0
|
2
|
$ 0
|
0
|
0
|
| Issuance of common stock from exercise of pre-funded warrants, Shares |
|
133,000
|
|
0
|
|
|
| Issuance of common stock from public offering, net |
0
|
$ 0
|
0
|
$ 0
|
0
|
0
|
| Issuance of common stock from public offering, Shares |
|
4,000
|
|
0
|
|
|
| Stock-based compensation expense |
130
|
$ 0
|
130
|
$ 0
|
0
|
0
|
| Stock-based compensation expense, Shares |
|
0
|
|
0
|
|
|
| Net loss |
(3,447)
|
$ 0
|
0
|
$ 0
|
(3,447)
|
0
|
| Unrealized gain on available-for-sale debt securities |
(1)
|
$ 0
|
0
|
$ 0
|
0
|
(1)
|
| Unrealized gain on available-for-sale debt securities, Shares |
|
0
|
|
0
|
|
|
| Ending balance at Dec. 31, 2024 |
364
|
$ 1
|
349,373
|
$ (1)
|
(349,009)
|
1
|
| Ending balance, Shares at Dec. 31, 2024 |
|
1,428,000
|
|
0
|
|
|
| Beginning balance at Mar. 31, 2025 |
10,492
|
$ 2
|
352,648
|
$ (1)
|
(342,157)
|
0
|
| Beginning balance, Shares at Mar. 31, 2025 |
|
1,898,000
|
|
0
|
|
|
| Retirement of treasury stock |
0
|
|
(1)
|
$ 1
|
0
|
0
|
| Retirement of treasury stock, shares |
|
|
|
0
|
|
|
| Issuance of common stock from public offering, net |
1,811
|
$ 1
|
1,810
|
$ 0
|
0
|
0
|
| Issuance of common stock from public offering, Shares |
|
702,000
|
|
0
|
|
|
| Stock-based compensation expense |
78
|
$ 0
|
78
|
$ 0
|
0
|
0
|
| Stock-based compensation expense, Shares |
|
0
|
|
0
|
|
|
| Net loss |
(2,843)
|
$ 0
|
0
|
$ 0
|
(2,843)
|
0
|
| Ending balance at Jun. 30, 2025 |
9,538
|
$ 3
|
354,535
|
$ (0)
|
(345,000)
|
0
|
| Ending balance, Shares at Jun. 30, 2025 |
|
2,600,000
|
|
0
|
|
|
| Beginning balance at Mar. 31, 2025 |
10,492
|
$ 2
|
352,648
|
$ (1)
|
(342,157)
|
0
|
| Beginning balance, Shares at Mar. 31, 2025 |
|
1,898,000
|
|
0
|
|
|
| Net loss |
(8,079)
|
|
|
|
|
|
| Ending balance at Dec. 31, 2025 |
4,441
|
$ 3
|
354,674
|
$ 0
|
(350,236)
|
0
|
| Ending balance, Shares at Dec. 31, 2025 |
|
2,608,000
|
|
0
|
|
|
| Beginning balance at Jun. 30, 2025 |
9,538
|
$ 3
|
354,535
|
$ (0)
|
(345,000)
|
0
|
| Beginning balance, Shares at Jun. 30, 2025 |
|
2,600,000
|
|
0
|
|
|
| Issuance of common stock under employee and director stock option, RSU, and purchase plans |
0
|
$ 0
|
0
|
$ 0
|
0
|
0
|
| Issuance of common stock under employee and director stock option, RSU, and purchase plans, Shares |
|
8,000
|
|
0
|
|
|
| Stock-based compensation expense |
72
|
$ 0
|
72
|
$ 0
|
0
|
0
|
| Stock-based compensation expense, Shares |
|
0
|
|
0
|
|
|
| Net loss |
(2,545)
|
$ 0
|
0
|
$ 0
|
(2,545)
|
0
|
| Ending balance at Sep. 30, 2025 |
7,065
|
$ 3
|
354,607
|
$ 0
|
(347,545)
|
0
|
| Ending balance, Shares at Sep. 30, 2025 |
|
2,608,000
|
|
0
|
|
|
| Stock-based compensation expense |
67
|
$ 0
|
67
|
$ 0
|
0
|
0
|
| Stock-based compensation expense, Shares |
|
0
|
|
0
|
|
|
| Net loss |
(2,691)
|
$ 0
|
0
|
$ 0
|
(2,691)
|
0
|
| Ending balance at Dec. 31, 2025 |
$ 4,441
|
$ 3
|
$ 354,674
|
$ 0
|
$ (350,236)
|
$ 0
|
| Ending balance, Shares at Dec. 31, 2025 |
|
2,608,000
|
|
0
|
|
|