10. Share-based Compensation	12 Months Ended
Dec. 31, 2020
Share-based Payment Arrangement [Abstract]
Share-based Compensation	Note 10 – Share-based Compensation *2004 Equity Incentive Plan* All options previously issued under the 2004 Equity Incentive Plan as well as options issued outside the Plan expired unexercised in 2018.

The entire disclosure for share-based payment arrangement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-URI http://asc.fasb.org/topic&trid=2228938

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