Quarterly report pursuant to Section 13 or 15(d)

Uncategorized Items - wkhs-20200331.htm

v3.20.1
Label Element Value
Restricted Cash and Cash Equivalents us-gaap_RestrictedCashAndCashEquivalents $ 0
Restricted Cash and Cash Equivalents us-gaap_RestrictedCashAndCashEquivalents $ 1,000,000