Annual report pursuant to Section 13 and 15(d)

Quarterly Financial Data (Details)

v3.6.0.2
Quarterly Financial Data (Details) - USD ($)
3 Months Ended 12 Months Ended
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2015
Sep. 30, 2015
Jun. 30, 2015
Mar. 31, 2015
Dec. 31, 2014
Sep. 30, 2016
Sep. 30, 2015
Sep. 30, 2014
Quarterly Financial Data [Abstract]                      
Net revenues $ 3,563,106 $ 5,560,776 $ 4,772,801 $ 8,230,659 $ 7,154,985 $ 7,813,207 $ 10,977,467 $ 6,659,206 $ 22,127,342 $ 32,604,865 $ 24,490,586
Gross profit 1,868,559 3,233,193 2,845,395 5,402,337 4,123,644 4,632,535 6,394,107 3,819,673 13,349,484 18,969,959 13,121,478
Operating expenses 2,161,546 2,384,674 2,774,970 3,009,782 3,362,327 3,178,687 3,444,714 2,365,824 10,330,972 12,351,552 9,197,566
Income tax expense (benefit) 1,436,351 231,211 (27,824) 829,453 79,229 284,900 1,306,445 670,430 2,469,191 2,341,004 1,524,130
Net income (loss) $ (1,750,941) $ 570,258 $ 35,045 $ 1,490,363 $ 702,571 $ 1,170,974 $ 1,667,574 $ 804,917 $ 344,725 $ 4,346,036 $ 2,433,061
Net income (loss) per common share - basic $ (0.06) $ 0.02   $ 0.05 $ 0.02 $ 0.04 $ 0.06 $ 0.03 $ 0.01 $ 0.15 $ 0.09
Net income (loss) per common share - diluted $ (0.06) $ 0.02   $ 0.05 $ 0.02 $ 0.04 $ 0.06 $ 0.03 $ 0.01 $ 0.15 $ 0.08