Quarterly report pursuant to Section 13 or 15(d)

Organization and Summary of Significant Accounting Policies (Details)

v3.19.2
Organization and Summary of Significant Accounting Policies (Details) - USD ($)
 3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Total net sales $ 9,236,548 $ 5,815,775 $ 16,983,333 $ 10,687,687
DC power systems [Member]        
Total net sales 8,906,400 5,755,957 16,570,136 10,462,054
Accessories [Member]        
Total net sales 330,148 59,818 413,197 225,633
Telecom [Member]        
Total net sales 9,051,023 5,290,094 16,363,747 9,779,961
Government/Military [Member]        
Total net sales 165,240 301,947 537,430 595,232
Marine [Member]        
Total net sales 17,929 41,386 79,788 86,861
Other (backup DC power to various industries) [Member]        
Total net sales $ 2,356 $ 182,348 $ 2,368 $ 225,633