Stock Options (Details) - Stock Options [Member]	1 Months Ended
Nov. 17, 2019 shares
Stock Options (Details) [Line Items]
Stock option expired	600,000
Number of directors	1

Gross number of share options (or share units) granted during the period.

No definition available.

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration