Quarterly report pursuant to Section 13 or 15(d)

CONDENSED STATEMENTS OF OPERATIONS (UNAUDITED)

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CONDENSED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2023
Sep. 30, 2022
Sep. 30, 2023
Sep. 30, 2022
Income Statement [Abstract]        
Product sales, net $ 4,089 $ 3,751 $ 12,203 $ 12,336
Cost of goods sold 2,246 2,189 6,860 8,348
Gross profit 1,843 1,562 5,343 3,988
Operating expenses:        
Research and development 40 44 111 267
Selling, general and administrative 2,240 2,410 7,154 8,443
Benefit from reversal of accrued payroll taxes (Note 11) 0 0 (6,171) 0
 Total operating expenses 2,280 2,454 1,094 8,710
Operating income (loss) (437) (892) 4,249 (4,722)
Gain on debt extinguishment 0 (127) 0 (127)
Other expense, net 10 266 275 1,304
Income (loss) before income taxes (447) (1,031) 3,974 (5,899)
Income tax expense 0 0 3 2
Net income (loss) (447) (1,031) 3,971 (5,901)
Deemed dividend for beneficial conversion of Series A convertible preferred stock 0 0 0 920
Net income (loss) attributable to common stockholders (447) (1,031) 3,971 (6,821)
Net income (loss) attributable to common stockholders $ (447) $ (1,031) $ 3,971 $ (6,821)
Weighted average common shares outstanding, basic (in shares) 154,604 146,530 153,112 133,651
Weighted average common shares outstanding, diluted (in shares) 154,604 146,530 153,112 133,651
Net income (loss) per share attributable to common stockholders, basic (in USD per share) $ (0.00) $ (0.01) $ 0.03 $ (0.05)
Net income (loss) per share attributable to common stockholders, diluted (in USD per share) $ (0.00) $ (0.01) $ 0.03 $ (0.05)
Revenue, product and service [Extensible List] Product [Member] Product [Member] Product [Member] Product [Member]