Supplemental Information for Statement of Cash Flows (Details Narrative) - USD ($) $ in Millions  | 
12 Months Ended | |
|---|---|---|
Dec. 31, 2020  | 
Dec. 31, 2019  | 
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| Supplemental Information for Statement of Cash Flows | ||
| Interest expense | $ 0.8 | $ 0.9 | 
| X | ||||||||||
- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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| X | ||||||||||
- References No definition available. 
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