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CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Other Comprehensive Income (Loss) | Accumulated Deficit
--- | --- | --- | --- | --- | ---
Beginning balance (in shares) at Sep. 30, 2022 |  | 44,680,000 |  |  |
Beginning balance at Sep. 30, 2022 | $ 170,979 | $ 44 | $ 216,493 | $ (28,219) | $ (17,339)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Exercise of stock options (in shares) |  | 86,000 |  |  |
Exercise of stock options | 676 |  | 676 |  |
Settlement of restricted stock units (in shares) |  | 572,000 |  |  |
Settlement of restricted stock units | 0 | $ 1 | (1) |  |
Issuance of common stock under employee stock purchase plan (in shares) |  | 71,000 |  |  |
Issuance of common stock under employee stock purchase plan | 619 |  | 619 |  |
Stock-based compensation expense | 5,146 |  | 5,146 |  |
Components of comprehensive income (loss): |  |  |  |  |
Net income (loss) | 9,899 |  |  |  | 9,899
Currency translation adjustment | 15,725 |  |  | 15,725 |
Change in unrealized gain (loss) on investments | 648 |  |  | 648 |
Ending balance (in shares) at Mar. 31, 2023 |  | 45,409,000 |  |  |
Ending balance at Mar. 31, 2023 | 203,692 | $ 45 | 222,933 | (11,846) | (7,440)
Beginning balance (in shares) at Dec. 31, 2022 |  | 45,249,000 |  |  |
Beginning balance at Dec. 31, 2022 | 191,868 | $ 45 | 219,596 | (15,164) | (12,609)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Exercise of stock options (in shares) |  | 3,000 |  |  |
Exercise of stock options | 14 |  | 14 |  |
Settlement of restricted stock units (in shares) |  | 86,000 |  |  |
Settlement of restricted stock units | 0 |  |  |  |
Issuance of common stock under employee stock purchase plan (in shares) |  | 71,000 |  |  |
Issuance of common stock under employee stock purchase plan | 619 |  | 619 |  |
Stock-based compensation expense | 2,704 |  | 2,704 |  |
Components of comprehensive income (loss): |  |  |  |  |
Net income (loss) | 5,169 |  |  |  | 5,169
Currency translation adjustment | 3,022 |  |  | 3,022 |
Change in unrealized gain (loss) on investments | 296 |  |  | 296 |
Ending balance (in shares) at Mar. 31, 2023 |  | 45,409,000 |  |  |
Ending balance at Mar. 31, 2023 | $ 203,692 | $ 45 | 222,933 | (11,846) | (7,440)
Beginning balance (in shares) at Sep. 30, 2023 | 45,591,199 | 45,591,000 |  |  |
Beginning balance at Sep. 30, 2023 | $ 205,188 | $ 46 | 228,691 | (14,237) | (9,312)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Exercise of stock options (in shares) | 166,634 | 167,000 |  |  |
Exercise of stock options | $ 1,042 |  | 1,042 |  |
Settlement of restricted stock units (in shares) |  | 722,000 |  |  |
Settlement of restricted stock units | 0 | $ 1 | (1) |  |
Acquisition-related shares issued (in shares) |  | 311,000 |  |  |
Acquisition-related shares issued | 3,471 |  | 3,471 |  |
Stock-based compensation expense | 7,318 |  | 7,318 |  |
Components of comprehensive income (loss): |  |  |  |  |
Net income (loss) | (5,511) |  |  |  | (5,511)
Currency translation adjustment | 4,578 |  |  | 4,578 |
Change in unrealized gain (loss) on investments | $ 60 |  |  | 60 |
Ending balance (in shares) at Mar. 31, 2024 | 46,790,611 | 46,791,000 |  |  |
Ending balance at Mar. 31, 2024 | $ 216,146 | $ 47 | 240,521 | (9,599) | (14,823)
Beginning balance (in shares) at Dec. 31, 2023 |  | 46,632,000 |  |  |
Beginning balance at Dec. 31, 2023 | 213,798 | $ 47 | 236,447 | (7,591) | (15,105)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Exercise of stock options (in shares) |  | 71,000 |  |  |
Exercise of stock options | 186 |  | 186 |  |
Settlement of restricted stock units (in shares) |  | 88,000 |  |  |
Settlement of restricted stock units | 0 |  |  |  |
Stock-based compensation expense | 3,888 |  | 3,888 |  |
Components of comprehensive income (loss): |  |  |  |  |
Net income (loss) | 282 |  |  |  | 282
Currency translation adjustment | (1,966) |  |  | (1,966) |
Change in unrealized gain (loss) on investments | $ (42) |  |  | (42) |
Ending balance (in shares) at Mar. 31, 2024 | 46,790,611 | 46,791,000 |  |  |
Ending balance at Mar. 31, 2024 | $ 216,146 | $ 47 | $ 240,521 | $ (9,599) | $ (14,823)

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