Stockholders' Equity - Narrative (Details) $ / shares in Units, $ in Thousands								1 Months Ended			2 Months Ended	3 Months Ended	6 Months Ended
	Jun. 02, 2022 USD ($) $ / shares shares	Jan. 10, 2022 $ / shares shares	Jan. 05, 2022 shares	Dec. 07, 2021 USD ($) $ / shares shares	Nov. 09, 2021 USD ($) $ / shares shares	Oct. 04, 2021 $ / shares shares	Aug. 13, 2021 USD ($) $ / shares shares	Jul. 31, 2022 shares	Oct. 31, 2021 USD ($) shares	Apr. 30, 2021 USD ($) shares	Feb. 28, 2022 shares	Sep. 30, 2022 vote shares	Sep. 30, 2022 USD ($) vote shares	Sep. 30, 2021 USD ($) shares	Jun. 30, 2022 shares	Mar. 31, 2022 shares	Feb. 10, 2022 $ / shares shares	Nov. 05, 2021 $ / shares shares	Jun. 30, 2021 shares	Mar. 31, 2021 shares	Oct. 31, 2017 USD ($)
Class of Stock [Line Items]
Number of shares sold in private placement offering (in shares)										97,099
Aggregate gross proceeds from closing of offering | $										$ 500
Term of advertising contract										1 year
Shares withheld to satisfy employee withholding tax obligations (in shares)								1,568			97,249
Common stock, shares authorized (in shares)												750,000,000	750,000,000			750,000,000
Common stock, shares issued (in shares)												56,626,340	56,626,340			53,379,307
Common stock, shares outstanding (in shares)												56,626,340	56,626,340			53,379,307
Preferred stock, shares issued (in shares)												0	0
Preferred stock, shares outstanding (in shares)												0	0
Exercise price (in usd per share) | $ / shares		$ 3.30
Placement agent fees and closing expenses | $													$ 280	$ 0
Number of votes, common stock (per share) | vote												1	1
Issuance of common stock for exercise of warrants (in shares)		82,500	13,028
Common Stock
Class of Stock [Line Items]
Shares withheld to satisfy employee withholding tax obligations (in shares)												1,568	1,568
Common stock, shares outstanding (in shares)												56,626,340	56,626,340	41,664,020	56,588,042	53,379,307			40,662,020	40,531,996
Private Placement
Class of Stock [Line Items]
Number of shares sold in private placement offering (in shares)				1,673,152	6,600,000		1,000,000
Aggregate gross proceeds from closing of offering | $				$ 12,900	$ 33,000		$ 5,000
Price per share (in usd per share) | $ / shares				$ 7.71	$ 5.00		$ 5.00
Number of common stock issuable from warrants (in shares)							209,000
Exercise price (in usd per share) | $ / shares							$ 6.00
Placement agent fees and closing expenses | $				$ 286	$ 840		$ 22
Private Placement | Warrant
Class of Stock [Line Items]
Number of common stock issuable from warrants (in shares)	666,668			348,649	416,667	650,000	209,000										20,233	958,334
Private Placement | Common Stock
Class of Stock [Line Items]
Exercise price (in usd per share) | $ / shares	$ 6.00			$ 9.25	$ 6.00	$ 6.00	$ 6.00										$ 8.48	$ 6.00
Private Placement, Additional Shares Purchased
Class of Stock [Line Items]
Number of shares sold in private placement offering (in shares)	3,199,999
Aggregate gross proceeds from closing of offering | $	$ 16,000
Price per share (in usd per share) | $ / shares	$ 5.00
Number of common stock issuable from warrants (in shares)	666,668
Placement agent fees and closing expenses | $	$ 280
Preferred Stock
Class of Stock [Line Items]
Preferred stock, shares authorized (in shares)												5,000,000	5,000,000
Yaskawa
Class of Stock [Line Items]
Number of shares issued (in shares)						3,120,000
Exercise price (in usd per share) | $ / shares						$ 6.00
Yaskawa Note
Class of Stock [Line Items]
Unsecured subordinated convertible promissory note | $									$ 15,600												$ 15,000
Yaskawa Note | Yaskawa
Class of Stock [Line Items]
Number of shares issued (in shares)									3,120,000