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Condensed Consolidated Statements of Operations (Unaudited) - USD ($)
3 Months Ended 9 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Sep. 30, 2016
Sep. 30, 2015
Revenue        
Products sales and leasing $ 7,470,298 $ 6,233,706 $ 7,470,298 $ 6,233,706
Shipping and installation revenue 1,595,518 1,492,663 1,595,518 1,492,663
Royalties 431,426 328,715 431,426 328,715
Total revenue 9,497,242 8,055,084    
Cost of goods sold 6,180,954 6,777,091 6,180,954 6,777,091
Gross profit 3,316,288 1,277,993    
Operating expenses        
General and administrative expenses 1,350,045 833,811 1,350,045 833,811
Selling expenses 609,804 590,806 609,804 590,806
Total operating expenses 1,959,849 1,424,617    
Operating income (loss) 1,356,439 (146,624)    
Interest income (expense)        
Interest expense (46,427) (28,149) (46,427) (28,149)
Interest income 9,627 9,235 9,627 9,235
Gain on sale of assets 12,711 5,868 12,711 5,868
Other income 10,851 6,893 10,851 6,893
Total other expense (13,238) (6,153)    
Income (loss) before income tax expense 1,343,201 (152,777)    
Income tax expense (benefit) 486,000 (63,000) $ 486,000 $ (63,000)
Net income (loss) $ 857,201 $ (89,777)    
Basic and diluted earnings per share (in dollars per share) $ 0.17 $ (0.02)    
Weighted average number of common shares outstanding:        
Basic (in shares) 5,008,908 4,919,548 5,008,908 4,919,548
Diluted (in shares) 5,051,848 4,919,548 5,051,848 4,919,548