| 2. Summary of Significant Accounting Policies (Tables) | 3 Months Ended | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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| Mar. 31, 2019 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Accounting Policies [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Schedule of right of use asset | 
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- References No definition available. 
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- Definition Tabular disclosure of lessee's lease cost. Includes, but is not limited to, interest expense for finance lease, amortization of right-of-use asset for finance lease, operating lease cost, short-term lease cost, variable lease cost and sublease income. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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