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11. STOCK-BASED COMPENSATION - Schedule of Option Summary (Details)	3 Months Ended
	Dec. 31, 2021 $ / shares shares
Equity [Abstract]
Number of Option Shares, Beginning Balance | shares	1,547,029
Weighted Average Exercise Price, Beginning Balance | $ / shares	$ 18.35
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures | shares	64,000
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price | $ / shares	$ 20.48
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period | shares	487
Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price | $ / shares	$ 35.05
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period | shares	60,494
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures and Expirations in Period, Weighted Average Exercise Price | $ / shares	$ 19.51
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period | shares	52,061
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price | $ / shares	$ 5.41
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number, Ending Balance | shares	1,497,987
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price, Ending Balance | $ / shares	$ 18.98

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Number of options or other stock instruments for which the right to exercise has lapsed under the terms of the plan agreements.

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Weighted average price of options that were either forfeited or expired.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Net number of share options (or share units) granted during the period.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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