Short-term and Long-term Debt - HSBC Bank Credit Facility Narrative (Details) - Revolving Credit Facility - HSBC Bank Credit Facility - HSBC Bank - Export Seller Trade Loan	6 Months Ended
Dec. 31, 2021 USD ($)
Short-term Debt [Line Items]
Credit facility, maximum borrowing capacity	$ 30,000,000
Credit facility, term	120 days

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.19(b),22(b))
-URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682

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