Quarterly report pursuant to Section 13 or 15(d)

Inventories, Net - Components of Inventories (Detail)

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Inventories, Net - Components of Inventories (Detail) - USD ($)
Mar. 31, 2020
Dec. 31, 2019
Inventories, Net    
Purchased Parts and Components $ 5,524,161 $ 5,985,214
Work in Process 2,231,136 2,414,142
Finished Goods 2,500,949 2,096,744
Less: Reserve for Obsolescence (4,587,870) (4,788,233)
Inventories, Net $ 5,668,376 $ 5,707,867