Annual report pursuant to Section 13 and 15(d)

Sale of Power Conversion Systems Division - Schedule of disposal group including discontinued operations to loss (Details)

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Sale of Power Conversion Systems Division - Schedule of disposal group including discontinued operations to loss (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Sale of Power Conversion Systems Division    
Product revenue $ 115,000 $ 1,624,773
Cost of product revenue 141,647 1,968,648
Research and development 228,641 2,095,138
General and administrative 79,306 59,873
Sales and marketing 59,431 774,500
Impairment (1) 405,000 360,000
Loss on discontinued operations (799,025) (3,633,386)
Loss on sale of discontinued operations $ (9,107) $ 0