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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)
shares in Thousands, $ in Thousands
 3 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Sales:    
Total sales $ 12,369 $ 11,388
Cost of sales:    
Total cost of sales 8,755 8,010
Gross profit 3,614 3,378
Operating expenses:    
Engineering and development 627 729
Selling, general and administrative 3,383 3,186
Total operating expenses 4,010 3,915
Operating loss (396) (537)
Other income (expense):    
Foreign exchange loss (17) (467)
Interest expense (105) (38)
Interest income 145 98
Gain on forgiveness of debt   2,196
Other income (expense), net 19 9
Total other income (expense), net 42 1,798
Income (loss) before income taxes (354) 1,261
Income tax expense 12 110
Net income (loss) (366) 1,151
Discontinued operations:    
Net (loss) income (366) 1,151
Continued and discontinued operations:    
Net income (loss) attributable to common shareholders $ (366) $ 1,097
Net (loss) income per share - basic $ (0.09) $ 0.27
Weighted average shares outstanding - basic 4,200 4,074
Net (loss) income per share - diluted $ (0.09) $ 0.26
Weighted average shares outstanding - diluted 4,200 4,172
Product    
Sales:    
Total sales $ 8,720 $ 8,408
Cost of sales:    
Total cost of sales 7,277 6,949
Services    
Sales:    
Total sales 3,649 2,980
Cost of sales:    
Total cost of sales $ 1,478 $ 1,061