Business Combinations - Narrative (Details) - USD ($)	1 Months Ended					12 Months Ended			24 Months Ended
	Dec. 31, 2019	Apr. 30, 2019	Feb. 28, 2019	Apr. 30, 2018	Aug. 31, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Business Acquisition [Line Items]
Increase (decrease) in fair value of contingent consideration						$ 843,000	$ (1,200,000)	$ 0
Payment of deferred purchase consideration						3,732,000	0	0
Diabeto
Business Acquisition [Line Items]
Total purchase consideration					$ 2,600,000
Total purchase consideration paid in cash							2,000,000.0	$ 600,000
Acquired intangible assets					178,000
Diabeto | Developed technology
Business Acquisition [Line Items]
Acquired intangible assets					$ 200,000
Useful Life					5 years
Diabeto | Trade name
Business Acquisition [Line Items]
Acquired intangible assets					$ 8,000
Useful Life					3 years
Retrofit
Business Acquisition [Line Items]
Total purchase consideration				$ 18,600,000
Total purchase consideration paid in cash				12,400,000
Acquired intangible assets				5,580,000
Earn-out consideration obligated to pay (up to)				7,000,000.0
Escrow asset				7,000,000.0
Fair value of contingent consideration				$ 6,200,000
Contingent consideration	$ 2,800,000					2,800,000	5,000,000.0		$ 2,800,000
Increase (decrease) in fair value of contingent consideration						(900,000)	(1,200,000)
Escrow deposit disbursements		$ 1,800,000
Acquisition-related costs							300,000
Revenue							2,800,000
Net income (loss)							$ 3,200,000
Retrofit | Developed technology
Business Acquisition [Line Items]
Useful Life				5 years
Retrofit | Trade name
Business Acquisition [Line Items]
Useful Life				2 years
myStrength
Business Acquisition [Line Items]
Total purchase consideration			$ 33,500,000
Total purchase consideration paid in cash			30,100,000
Acquired intangible assets			13,900,000
Earn-out consideration obligated to pay (up to)			5,000,000.0
Fair value of contingent consideration			3,300,000
Contingent consideration	2,600,000					2,600,000			2,600,000
Increase (decrease) in fair value of contingent consideration						1,700,000
Payment of deferred purchase consideration	$ 2,400,000
Acquisition-related costs									$ 300,000
Revenue						6,700,000
Net income (loss)						$ (800,000)
Closing adjustment			$ 100,000
myStrength | Developed technology
Business Acquisition [Line Items]
Useful Life			7 years
myStrength | Trade name
Business Acquisition [Line Items]
Useful Life			5 years
Former Retrofit Stockholders | Retrofit
Business Acquisition [Line Items]
Escrow deposit disbursements		$ 1,300,000