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CONSOLIDATED STATEMENTS OF OPERATIONS (Unaudited Consolidated Condensed) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Revenue:        
Total revenue $ 9,678 $ 7,924 $ 29,056 $ 22,110
Operating expense:        
Cost of revenue 7,185 4,946 21,659 14,588
Gross profit 2,493 2,978 7,397 7,522
Research and development expense 848 635 2,310 1,670
Selling, general and administrative expense 2,279 942 5,493 2,994
(Loss) income from operations (634) 1,401 (406) 2,858
Interest expense 116 38 232 1,096
Other income, net (952)
(Loss) income before provision for income taxes (750) 1,363 (638) 2,714
Provision for income taxes
Net (loss) income $ (750) $ 1,363 $ (638) $ 2,714
Net (loss) income per basic share $ (0.02) $ 0.03 $ (0.01) $ 0.06
Weighted average number of basic common shares outstanding 49,174,673 48,566,431 49,068,709 43,756,300
Net (loss) income per diluted share $ (0.02) $ 0.03 $ (0.01) $ 0.06
Weighted average number of diluted common shares outstanding 49,174,673 50,728,431 49,068,709 45,726,300
Product [Member]        
Revenue:        
Total revenue $ 9,673 $ 7,896 $ 28,515 $ 21,971
Product and Service, Other [Member]        
Revenue:        
Total revenue $ 5 $ 28 $ 541 $ 139