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12. QUARTERLY RESULTS OF OPERATIONS (UNAUDITED) (Details) - Schedule of Quarterly Financial Information - USD ($)
3 Months Ended 12 Months Ended
Feb. 28, 2019
Nov. 30, 2018
Aug. 31, 2018
May 31, 2018
Nov. 30, 2017
Aug. 31, 2017
May 31, 2017
Feb. 28, 2017
Feb. 28, 2019
Feb. 28, 2018
Schedule of Quarterly Financial Information [Abstract]                    
Net Revenues $ 23,625,400 $ 40,482,600 $ 24,681,000 $ 30,022,300 $ 38,909,900 $ 24,186,900 $ 26,941,200 $ 21,946,600 $ 118,811,300 $ 111,984,600
Gross Margin 15,835,800 27,341,000 16,218,300 20,352,600 26,698,200 16,536,600 18,342,400 14,583,100 79,747,700 76,160,300
Net Earnings $ 555,500 $ 2,815,600 $ 1,490,700 $ 1,816,600 $ 2,128,400 $ 1,036,900 $ 1,225,300 $ 824,100 $ 6,678,400 $ 5,214,700
Basic Earnings Per Share (in Dollars per share) $ 0.08 $ 0.34 $ 0.18 $ 0.22 $ 0.26 $ 0.13 $ 0.15 $ 0.10 $ 0.82 $ 0.64
Diluted Earnings Per Share (in Dollars per share) $ 0.07 $ 0.34 $ 0.18 $ 0.22 $ 0.26 $ 0.13 $ 0.15 $ 0.10 $ 0.81 $ 0.64