Capital Structure - Narrative (Details) $ / shares in Units, $ in Thousands								1 Months Ended					3 Months Ended		4 Months Ended	9 Months Ended
	Jun. 09, 2021 shares	Jun. 08, 2021 USD ($) $ / shares shares	Jun. 04, 2021 shares	Nov. 20, 2020 shares	Jun. 05, 2019 tradingDay $ / shares shares	May 01, 2019 USD ($) $ / shares shares	Mar. 12, 2019 USD ($) $ / shares shares	Oct. 31, 2021 USD ($) shares	Sep. 30, 2021 USD ($) tradingDay $ / shares shares	Aug. 31, 2021 officer director shares	Jun. 30, 2019 shares	Apr. 30, 2019 shares	Sep. 30, 2021 USD ($) tradingDay $ / shares shares	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($) tradingDay $ / shares shares	Sep. 30, 2021 USD ($) tradingDay $ / shares shares	Sep. 30, 2020 USD ($)	Oct. 07, 2021 $ / shares	Aug. 12, 2021 businessDay	Jun. 30, 2021 shares	Jun. 03, 2021 $ / shares shares	Dec. 31, 2020 USD ($) $ / shares shares	Jun. 19, 2015 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exchange ratio	10.28
Preferred stock, authorized (in shares)									1,000,000				1,000,000		1,000,000	1,000,000						1,000,000
Preferred stock, par value (in dollars per share) | $ / shares									$ 0.0001				$ 0.0001		$ 0.0001	$ 0.0001						$ 0.0001
Preferred stock, outstanding (in shares)									0				0		0	0						0
Common stock, authorized (in shares)									300,000,000				300,000,000		300,000,000	300,000,000						300,000,000
Common stock, par value (in dollars per share) | $ / shares									$ 0.0001				$ 0.0001		$ 0.0001	$ 0.0001						$ 0.0001
Common stock, issued (in shares)									117,800,353				117,800,353		117,800,353	117,800,353						70,021,000
Common stock, outstanding (in shares)									117,800,353				117,800,353		117,800,353	117,800,353						70,021,000
Warrants outstanding (in shares)									18,117,494				18,117,494		18,117,494	18,117,494
Fair value of warrants | $									$ 399				$ 399		$ 399	$ 399						$ 0
Gain on fair value of warrant liabilities | $													(373)	$ 0		(1,447)	$ 0
Forward share purchase liability | $									$ 17,577				$ 17,577		$ 17,577	$ 17,577						$ 0
Common stock reserved for issuance (in shares)									51,049,000				51,049,000		51,049,000	51,049,000
Stock-based compensation expense | $													$ 400			$ 410	$ 0
Unrecognized stock-based compensation expense related to stock options | $									$ 600				$ 600		$ 600	$ 600
Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, par value (in dollars per share) | $ / shares																		$ 0.0001
Cloudbreak
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vested options assumed (in shares)	1,576,670
Unvested options assumed (in shares)	134,943
Cloudbreak 2015 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised (in shares)									195,743						195,743
2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance (in shares)			16,420,813						11,193,000				11,193,000		11,193,000	11,193,000
Common stock reserved for issuance increase, percentage of common stock outstanding			5.00%
Public Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares									$ 11.50				$ 11.50		$ 11.50	$ 11.50
Period after completion of business combination (in days)																30 days
Period from closing of offering (in months)																12 months
Expiration period after completion of business combination (in years)																5 years
Redemption price of warrants (in dollars per share) | $ / shares									0.01				0.01		0.01	$ 0.01
Minimum redemption notice period (in days)																30 days
Minimum stock price trigger for redemption (in dollars per share) | $ / shares									$ 18.00				$ 18.00		$ 18.00	$ 18.00
Threshold trading days | tradingDay									20				20		20	20
Threshold trading days, period (in days)																30 days
Warrants outstanding (in shares)									17,250,000				17,250,000		17,250,000	17,250,000
Common stock reserved for issuance (in shares)									17,250,000				17,250,000		17,250,000	17,250,000
Private Placement Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants outstanding (in shares)									567,500				567,500		567,500	567,500
Fair value of warrants | $									$ 300				$ 300		$ 300	$ 300
Gain on fair value of warrant liabilities | $													$ 300			$ 100
Common stock reserved for issuance (in shares)									568,000				568,000		568,000	568,000
PIPE Warrants
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Warrants outstanding (in shares)									299,994				299,994		299,994	299,994
Fair value of warrants | $									$ 100				$ 100		$ 100	$ 100
Gain on fair value of warrant liabilities | $													$ 100			$ 1,300
Common stock reserved for issuance (in shares)									300,000				300,000		300,000	300,000
Restricted stock awards (RSA) | 2021 Equity Incentive Plan | Consultant
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted/issued (in shares)									28,616
Restricted stock units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance (in shares)									5,199,000				5,199,000		5,199,000	5,199,000
Unrecognized stock-based compensation expense related to RSUs | $									$ 2,500				$ 2,500		$ 2,500	$ 2,500
Weighted average period expected to be recognized (in years)																5 years 18 days
Restricted stock units (RSUs) | 2021 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted/issued (in shares)													5,198,842
Outstanding awards (in shares)									5,198,842				5,198,842		5,198,842	5,198,842				0
Restricted stock units (RSUs) | 2021 Equity Incentive Plan | Directors
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted/issued (in shares)										538,616
Vesting period (in years)										3 years
Number of individuals granted equity instruments | director										8
Restricted stock units (RSUs) | 2021 Equity Incentive Plan | Officers
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted/issued (in shares)										4,660,226
Number of individuals granted equity instruments | officer										2
Stock options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock reserved for issuance (in shares)									1,516,000				1,516,000		1,516,000	1,516,000
Weighted average period expected to be recognized (in years)																4 years 5 months 23 days
Over-Allotment Option | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or sold (in shares)								3,450,000
KAF | Forward Share Purchase Agreement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized to be repurchased (in shares)									1,700,000				1,700,000		1,700,000	1,700,000					1,700,000
Number of business days required for notice | businessDay																			3
Authorized price per share (in dollars per share) | $ / shares																					$ 10.30225
Authorized monthly increase in price per share (in dollars per share) | $ / shares																					0.0846
Price per share, minimum price required to sell shares in the open market after closing (in dollars per share) | $ / shares																					$ 10.10
Price per share (in dollars per share) | $ / shares									$ 10.00				$ 10.00		$ 10.00	$ 10.00
Forward share purchase liability | $									$ 17,600				$ 17,600		$ 17,600	$ 17,600
KAF | Forward Share Purchase Agreement | Subsequent Event
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Escrow deposit | $								$ 18,100
GigCapital2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, par value (in dollars per share) | $ / shares					$ 0.0001
Stock dividend (in shares)											0.1541	0.493
GigCapital2 | Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise price of warrants (in dollars per share) | $ / shares		$ 11.50			$ 11.50
Number of shares issued or sold (in shares)		3,000,000			492,500
Purchase price received on transaction | $		$ 28,500
Price per share (in dollars per share) | $ / shares		$ 10.00			$ 10.00
Number of shares of common stock per unit (in shares)					1
Number of warrants per unit (in shares)					1
Number of rights per unit (in shares)					1
Rights per unit, number of shares received after consummation of business combination (in shares)					0.05
Minimum period after completion of business combination (in months)					12 months
Minimum price per share required for movement of shares and units (in dollars per share) | $ / shares					$ 12.50
Number of threshold trading days | tradingDay					20
Threshold trading days, period (in days)					30 days
Threshold trading days, minimum period commencing after business combination (in days)					90 days
Number of securities called by warrants (in shares)		300,000
Number of warrants per ten shares (in shares)		1
Purchase price, gross | $		$ 30,000
Placement fee costs | $		$ 1,500
GigCapital2 | Second Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or sold (in shares)					75,000
Price per share (in dollars per share) | $ / shares					$ 10.00
GigCapital2 | Over-Allotment Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or sold (in shares)					567,500
GigCapital2 | GigCapital2 Sponsor and Northland Gig2 Investment LLC | Founder Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or sold (in shares)							2,500,000
Purchase price received on transaction | $							$ 25,000
Price per share (in dollars per share) | $ / shares						$ 0.0067	$ 0.01
GigCapital2 | EarlyBirdCapital. Inc. | Private Placement
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or sold (in shares)					29,900
GigCapital2 Sponsor, Northland Gig2 Investment LLC, EarlyBirdCapital, Inc., and EarlyBird Group
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, outstanding (in shares)									4,307,500				4,307,500		4,307,500	4,307,500
GigCapital2 Sponsor and Northland Gig2 Investment LLC
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Common stock, outstanding (in shares)												3,732,500
GigCapital2 Sponsor and Northland Gig2 Investment LLC | EarlyBirdCapital, Inc. and EarlyBird Group | Founder Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Purchase price received on transaction | $						$ 670
GigCapital2 Sponsor and Northland Gig2 Investment LLC | EarlyBirdCapital. Inc. | Founder Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or sold (in shares)						68,041
GigCapital2 Sponsor and Northland Gig2 Investment LLC | EarlyBird Group | Founder Shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares issued or sold (in shares)						31,959
Thrasys | 2019 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding awards (in shares)									0				0		0	0
Thrasys | Restricted stock awards (RSA) | 2019 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted/issued (in shares)				536,184
Thrasys | Restricted stock units (RSUs) | 2019 Stock Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Awards granted/issued (in shares)				3,427,316
Cloudbreak | Cloudbreak 2015 Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares authorized (in shares)																							2,200,000