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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands | Total | Common Stock | Additional Paid-In Capital | Accumulated Deficit | Accumulated Other Comprehensive Income (Loss)
--- | --- | --- | --- | --- | ---
Beginning Balance (in shares) at Sep. 30, 2017 |  | 33,724,000 |  |  |
Beginning Balance at Sep. 30, 2017 | $ 61,408 | $ 34 | $ 78,677 | $ (17,450) | $ 147
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Exercise of stock options (in shares) |  | 187,000 |  |  |
Exercise of stock options | 495 |  | 495 |  |
Settlement of restricted stock units (in shares) |  | 706,000 |  |  |
Settlement of restricted stock units | 0 | $ 1 | (1) |  |
Acquisition-related shares issued (in shares) |  | 3,180,000 |  |  |
Acquisition-related shares issued | 27,487 | $ 3 | 27,484 |  |
Stock-based compensation expense | 5,927 |  | 5,927 |  |
Amortization of earnout shares | 710 |  | 710 |  |
Other comprehensive income (loss) |  |  |  |  |
Net loss | (9,680) |  |  | (9,680) |
Foreign currency translation adjustment | (350) |  |  |  | (350)
Unrealized gain (loss) on investments | (28) |  |  |  | (28)
Other comprehensive income (loss) | (10,058) |  |  |  |
Ending Balance (in shares) at Jun. 30, 2018 |  | 37,797,000 |  |  |
Ending Balance at Jun. 30, 2018 | 94,224 | $ 38 | 113,292 | (18,875) | (231)
Beginning Balance (in shares) at Mar. 31, 2018 |  | 35,059,000 |  |  |
Beginning Balance at Mar. 31, 2018 | 73,721 | $ 35 | 89,109 | (16,091) | 668
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Exercise of stock options (in shares) |  | 114,000 |  |  |
Exercise of stock options | 329 |  | 329 |  |
Settlement of restricted stock units (in shares) |  | 109,000 |  |  |
Settlement of restricted stock units | 0 | $ 1 | (1) |  |
Acquisition-related shares issued (in shares) |  | 2,515,000 |  |  |
Acquisition-related shares issued | 21,877 | $ 2 | 21,875 |  |
Stock-based compensation expense | 1,980 |  | 1,980 |  |
Other comprehensive income (loss) |  |  |  |  |
Net loss | (2,784) |  |  | (2,784) |
Foreign currency translation adjustment | (942) |  |  |  | (942)
Unrealized gain (loss) on investments | 43 |  |  |  | 43
Other comprehensive income (loss) | (3,683) |  |  |  |
Ending Balance (in shares) at Jun. 30, 2018 |  | 37,797,000 |  |  |
Ending Balance at Jun. 30, 2018 | $ 94,224 | $ 38 | 113,292 | (18,875) | (231)
Beginning Balance (in shares) at Sep. 30, 2018 | 37,961,224 | 37,961,000 |  |  |
Beginning Balance at Sep. 30, 2018 | $ 95,394 | $ 38 | 116,944 | (21,002) | (586)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Exercise of stock options (in shares) | 1,362,605 | 1,362,000 |  |  |
Exercise of stock options | $ 4,421 | $ 1 | 4,420 |  |
Settlement of restricted stock units (in shares) |  | 786,000 |  |  |
Settlement of restricted stock units | 0 | $ 1 | (1) |  |
Issuance of common stock under employee stock purchase plan (in shares) |  | 68,000 |  |  |
Issuance of common stock under employee stock purchase plan | 491 |  | 491 |  |
Stock-based compensation expense | 7,291 |  | 7,291 |  |
Other comprehensive income (loss) |  |  |  |  |
Net loss | (4,006) |  |  | (4,006) |
Foreign currency translation adjustment | (1,213) |  |  |  | (1,213)
Unrealized gain (loss) on investments | 26 |  |  |  | 26
Other comprehensive income (loss) | $ (5,193) |  |  |  |
Ending Balance (in shares) at Jun. 30, 2019 | 40,177,044 | 40,177,000 |  |  |
Ending Balance at Jun. 30, 2019 | $ 103,324 | $ 40 | 129,145 | (24,088) | (1,773)
Beginning Balance (in shares) at Mar. 31, 2019 |  | 39,348,000 |  |  |
Beginning Balance at Mar. 31, 2019 | 98,069 | $ 39 | 124,613 | (23,989) | (2,594)
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Exercise of stock options (in shares) |  | 726,000 |  |  |
Exercise of stock options | 2,265 | $ 1 | 2,264 |  |
Settlement of restricted stock units (in shares) |  | 103,000 |  |  |
Settlement of restricted stock units | 0 |  |  |  |
Stock-based compensation expense | 2,268 |  | 2,268 |  |
Other comprehensive income (loss) |  |  |  |  |
Net loss | (99) |  |  | (99) |
Foreign currency translation adjustment | 814 |  |  |  | 814
Unrealized gain (loss) on investments | 7 |  |  |  | 7
Other comprehensive income (loss) | $ 722 |  |  |  |
Ending Balance (in shares) at Jun. 30, 2019 | 40,177,044 | 40,177,000 |  |  |
Ending Balance at Jun. 30, 2019 | $ 103,324 | $ 40 | $ 129,145 | $ (24,088) | $ (1,773)

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Balance Type: | credit
Period Type: | instant