| 5. Acquisitions (Details - Pro forma information) - ApplianceSmart Inc [Member] - USD ($) | 3 Months Ended | |
|---|---|---|
| Dec. 31, 2017 | Dec. 31, 2017 | |
| Net revenue | $ 68,674 | $ 11,320,975 | 
| Gross profit | 19,200 | 1,112,073 | 
| Operating income | 19,655 | (2,504,976) | 
| Net income (loss) | $ 19,655 | $ (2,089,772) | 
| Earnings (loss) per basic common share | $ 0.01 | $ (1.06) | 
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- Definition The pro forma gross profit for a period as if the business combination or combinations had been completed at the beginning of the period. No definition available. 
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- Definition The pro forma basic net income per share for a period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef 
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- Definition Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Definition The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Reference 1: http://www.xbrl.org/2003/role/disclosureRef 
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- Details 
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