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Summarized Quarterly Financial Data (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2019
Quarterly Financial Information Disclosure [Abstract]  
Quarterly Financial Information [Table Text Block]
   Quarter 
2019  First   Second   Third   Fourth 
Revenues  $17,450,292   $33,619,948   $32,937,917   $33,606,729 
Gross (loss) profit   (192,466)   2,908,129    5,374,732    5,589,123 
(Loss) income from operations   (3,173,939)   531,667    3,349,306    3,190,765 
Net (loss) income   (2,722,595)   450,070    2,338,027    2,155,680 
Net income per share                    
Basic  $-0.13   $0.02   $0.11   $0.10 
Diluted  $-0.13   $0.02   $0.11   $0.10 
   Quarter 
2018  First   Second   Third   Fourth 
Revenues  $1,888,194   $33,149,190   $26,723,657   $24,985,717 
Gross (loss) profit   (695,308)   3,015,422    1,259,343    2,240,944 
Loss from operations   (4,519,478)   (11,730)   (1,570,353)   (5,080,753)
Net (loss) income   (4,086,276)   109,994    (1,404,962)   (5,164,440)
Net income per share                    
Basic  $-0.19   $0.005   $-0.07   $-0.24 
Diluted  $-0.19   $0.005   $-0.07   $-0.24