Contingent Liabilities and Commitments (Details)	3 Months Ended
Mar. 31, 2021 USD ($)
Contingent Liabilities and Commitments (Textual)
Capital expenditures committed	$ 181,000
Construct and equip commitment	763,000
Purchase of inventory	1,099,000
Other capital expenditures	53,000
Other obligations	$ 312,000

Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions.

No definition available.

Name:	us-gaap_OtherCommitment
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant