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Unaudited Consolidated Statements of Stockholders' Equity - USD ($) $ in Thousands | Restricted Stock Issued in-Lieu of Cash Bonuses [Member] Common Stock [Member] | Restricted Stock Issued in-Lieu of Cash Bonuses [Member] Additional Paid-in Capital [Member] | Restricted Stock Issued in-Lieu of Cash Bonuses [Member] Treasury Stock [Member] | Restricted Stock Issued in-Lieu of Cash Bonuses [Member] AOCI Attributable to Parent [Member] | Restricted Stock Issued in-Lieu of Cash Bonuses [Member] Retained Earnings [Member] | Restricted Stock Issued in-Lieu of Cash Bonuses [Member] | Common Stock [Member] | Additional Paid-in Capital [Member] | Treasury Stock [Member] | AOCI Attributable to Parent [Member] | Retained Earnings [Member] | Total
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Balance (in shares) at Mar. 31, 2021 |  |  |  |  |  |  | 27,988 |  |  |  |  |
Balance at Mar. 31, 2021 |  |  |  |  |  |  | $ 280 | $ 1,121,495 | $ (3,593) | $ (277) | $ (1,001,313) | $ 116,592
Issuance of common stock - restricted shares, net of forfeited shares (in shares) |  |  |  |  |  |  | 318 |  |  |  |  |
Issuance of common stock - restricted shares, net of forfeited shares |  |  |  |  |  |  | $ 3 | (3) | 0 | 0 | 0 | 0
Stock-based compensation expense |  |  |  |  |  |  | $ 0 | 1,292 | 0 | 0 | 0 | 1,292
Issuance of stock for 401(k) match (in shares) |  |  |  |  |  |  | 7 |  |  |  |  |
Issuance of stock for 401(k) match |  |  |  |  |  |  | $ 0 | 112 | 0 | 0 | 0 | 112
Cumulative translation adjustment |  |  |  |  |  |  | 0 | 0 | 0 | (63) | 0 | (63)
Net loss |  |  |  |  |  |  | $ 0 | 0 | 0 | 0 | (5,403) | (5,403)
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture, Total (in shares) | 111 |  |  |  |  |  |  |  |  |  |  |
Issuance of common stock - bonus payout | $ 1 | $ 1,681 | $ 0 | $ 0 | $ 0 | $ 1,682 |  |  |  |  |  |
Issuance of common stock - Neeltran acquisition (in shares) |  |  |  |  |  |  | 302 |  |  |  |  |
Issuance of common stock - Neeltran acquisition |  |  |  |  |  |  | $ 3 | 4,384 | 0 | 0 | 0 | 4,387
Repurchase of treasury stock |  |  |  |  |  |  | $ 0 | 0 | (46) | 0 | 0 | (46)
Balance (in shares) at Jun. 30, 2021 |  |  |  |  |  |  | 28,726 |  |  |  |  |
Balance at Jun. 30, 2021 |  |  |  |  |  |  | $ 287 | 1,128,961 | (3,639) | (340) | (1,006,716) | 118,553
Balance (in shares) at Mar. 31, 2021 |  |  |  |  |  |  | 27,988 |  |  |  |  |
Balance at Mar. 31, 2021 |  |  |  |  |  |  | $ 280 | 1,121,495 | (3,593) | (277) | (1,001,313) | 116,592
Net loss |  |  |  |  |  |  |  |  |  |  |  | (9,837)
Balance (in shares) at Sep. 30, 2021 |  |  |  |  |  |  | 28,793 |  |  |  |  |
Balance at Sep. 30, 2021 |  |  |  |  |  |  | $ 288 | 1,130,921 | (3,639) | (316) | (1,011,150) | 116,104
Balance (in shares) at Jun. 30, 2021 |  |  |  |  |  |  | 28,726 |  |  |  |  |
Balance at Jun. 30, 2021 |  |  |  |  |  |  | $ 287 | 1,128,961 | (3,639) | (340) | (1,006,716) | 118,553
Stock-based compensation expense |  |  |  |  |  |  | $ 0 | 1,101 | 0 | 0 | 0 | 1,101
Issuance of stock for 401(k) match (in shares) |  |  |  |  |  |  | 10 |  |  |  |  |
Issuance of stock for 401(k) match |  |  |  |  |  |  | $ 0 | 137 | 0 | 0 | 0 | 137
Cumulative translation adjustment |  |  |  |  |  |  | 0 | 0 | 0 | 24 | 0 | 24
Net loss |  |  |  |  |  |  | $ 0 | 0 | 0 | 0 | (4,434) | (4,434)
Issuance of common stock - ESPP (in shares) |  |  |  |  |  |  | 10 |  |  |  |  |
Issuance of common stock - ESPP |  |  |  |  |  |  | $ 0 | 125 | 0 | 0 | 0 | 125
Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture, Total (in shares) |  |  |  |  |  |  | 47 |  |  |  |  |
Issuance of common stock - bonus payout |  |  |  |  |  |  | $ 1 | 597 | 0 | 0 | 0 | 598
Balance (in shares) at Sep. 30, 2021 |  |  |  |  |  |  | 28,793 |  |  |  |  |
Balance at Sep. 30, 2021 |  |  |  |  |  |  | $ 288 | 1,130,921 | (3,639) | (316) | (1,011,150) | 116,104
Balance (in shares) at Mar. 31, 2022 |  |  |  |  |  |  | 28,920 |  |  |  |  |
Balance at Mar. 31, 2022 |  |  |  |  |  |  | $ 289 | 1,133,536 | (3,639) | (291) | (1,020,506) | 109,389
Issuance of common stock - restricted shares, net of forfeited shares (in shares) |  |  |  |  |  |  | (9) |  |  |  |  |
Issuance of common stock - restricted shares, net of forfeited shares |  |  |  |  |  |  | $ 0 | 0 | 0 | 0 | 0 | 0
Stock-based compensation expense |  |  |  |  |  |  |  | 1,033 |  |  |  | 1,033
Issuance of stock for 401(k) match (in shares) |  |  |  |  |  |  | 28 |  |  |  |  |
Issuance of stock for 401(k) match |  |  |  |  |  |  |  | 138 |  |  |  | 138
Cumulative translation adjustment |  |  |  |  |  |  |  |  |  | 63 |  | 63
Net loss |  |  |  |  |  |  |  |  |  |  | (8,710) | (8,710)
Balance (in shares) at Jun. 30, 2022 |  |  |  |  |  |  | 28,939 |  |  |  |  |
Balance at Jun. 30, 2022 |  |  |  |  |  |  | $ 289 | 1,134,707 | (3,639) | (228) | (1,029,216) | 101,913
Balance (in shares) at Mar. 31, 2022 |  |  |  |  |  |  | 28,920 |  |  |  |  |
Balance at Mar. 31, 2022 |  |  |  |  |  |  | $ 289 | 1,133,536 | (3,639) | (291) | (1,020,506) | 109,389
Net loss |  |  |  |  |  |  |  |  |  |  |  | (18,590)
Balance (in shares) at Sep. 30, 2022 |  |  |  |  |  |  | 29,337 |  |  |  |  |
Balance at Sep. 30, 2022 |  |  |  |  |  |  | $ 293 | 1,136,028 | (3,639) | 1,798 | (1,039,097) | 95,383
Balance (in shares) at Jun. 30, 2022 |  |  |  |  |  |  | 28,939 |  |  |  |  |
Balance at Jun. 30, 2022 |  |  |  |  |  |  | $ 289 | 1,134,707 | (3,639) | (228) | (1,029,216) | 101,913
Issuance of common stock - restricted shares, net of forfeited shares (in shares) |  |  |  |  |  |  | 331 |  |  |  |  |
Issuance of common stock - restricted shares, net of forfeited shares |  |  |  |  |  |  | $ 3 | (3) | 0 | 0 | 0 | 0
Stock-based compensation expense |  |  |  |  |  |  | $ 0 | 1,019 | 0 | 0 | 0 | 1,019
Issuance of stock for 401(k) match (in shares) |  |  |  |  |  |  | 33 |  |  |  |  |
Issuance of stock for 401(k) match |  |  |  |  |  |  | $ 1 | 178 | 0 | 0 | 0 | 179
Cumulative translation adjustment |  |  |  |  |  |  | 0 |  | 0 | 2,026 | 0 | 2,026
Net loss |  |  |  |  |  |  | $ 0 |  | 0 | 0 | (9,881) | (9,881)
Issuance of common stock - ESPP (in shares) |  |  |  |  |  |  | 34 |  |  |  |  |
Issuance of common stock - ESPP |  |  |  |  |  |  | $ 0 | 127 | 0 | 0 | 0 | 127
Balance (in shares) at Sep. 30, 2022 |  |  |  |  |  |  | 29,337 |  |  |  |  |
Balance at Sep. 30, 2022 |  |  |  |  |  |  | $ 293 | $ 1,136,028 | $ (3,639) | $ 1,798 | $ (1,039,097) | $ 95,383

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