Nanotron Acquisition - Narrative (Details) - Nanotron $ in Thousands	Oct. 06, 2020 USD ($)
Business Acquisition [Line Items]
Voting interest acquired	100.00%
Consideration transferred excluding closing adjustments	$ 8,700
Closing costs related to holdback funds	$ 800
Holdback fund release period	18 months
Severance payments	$ 200
Return credit related to severance payments	100
Working capital adjustment	30
Notes reduction	200
Additional notes reduction	100
Aggregate principal amount of note	$ 500