Operating Leases (Narrative) (Details)	12 Months Ended
	Dec. 31, 2021 USD ($) ft² renewal_option	Dec. 31, 2020 USD ($)
Operating Leased Assets [Line Items]
Weighted average remaining term for operating leases	4 years 7 days	4 years 10 months 6 days
Weighted average discount rate applied to operating leases	5.31%	5.20%
Cash paid for amounts included in the measurement of operating lease liabilities | $	$ 1,000,000	$ 975,000
Increase in operating lease liabilities for right of use assets | $		$ 941,000
SINGAPORE
Operating Leased Assets [Line Items]
Mixed office and warehouse facility, square footage | ft²	19,805
Golden Valley [Member] | MINNESOTA
Operating Leased Assets [Line Items]
Mixed office and warehouse facility, square footage | ft²	61,208
Period for recognizing rental expense (in months)	91 months
Renewal options, number | renewal_option	1
Renewal options, term (in years)	3 years