Quarterly report pursuant to Section 13 or 15(d)

ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)

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ORGANIZATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($)
3 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Total net sales $ 7,746,785 $ 4,871,912
DC power systems [Member]    
Total net sales 76,052,812 4,664,374
Accessories [Member]    
Total net sales $ 141,503 $ 207,538