Annual report pursuant to Section 13 and 15(d)

Statements of Operations

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Statements of Operations - USD ($)
shares in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Statement [Abstract]      
Sales $ 55,739,000 $ 60,625,000 $ 49,521,000
Cost of goods sold 30,415,000 34,114,000 26,219,000
Gross profit 25,324,000 26,511,000 23,302,000
Operating expenses:      
Research and development 8,989,000 9,319,000 7,319,000
Sales and marketing 7,036,000 11,033,000 7,013,000
General and administrative 8,919,000 9,545,000 8,001,000
Total operating expenses 24,944,000 29,897,000 22,333,000
Income (loss) from operations 380,000 (3,386,000) 969,000
Other (income) expense:      
Interest income (714,000) (584,000) (297,000)
Interest expense 5,000 31,000 99,000
Gain on deferred purchase price liability   (389,000)  
Loss on disposal of fixed assets   39,000  
Total other income (709,000) (903,000) (198,000)
Income (loss) before income taxes 1,089,000 (2,483,000) 1,167,000
Provision for income taxes 163,000 101,000 26,000
Net income (loss) $ 926,000 $ (2,584,000) $ 1,141,000
Net income (loss) per share:      
Basic $ 0.10 $ (0.27) $ 0.12
Diluted $ 0.09 $ (0.27) $ 0.11
Weighted average shares used in calculating income (loss) per share      
Basic 9,684 9,521 9,485
Diluted 10,097 9,521 10,361