Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED)

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CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (UNAUDITED) - USD ($)
shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Income Statement [Abstract]    
Product sales, net $ 4,002 $ 4,148
Cost of goods sold 2,149 2,366
Gross profit 1,853 1,782
Operating expenses:    
Research and development 36 35
Selling, general and administrative 2,437 2,156
Benefit from reversal of accrued payroll taxes (Note 12) 0 (6,171)
 Total operating expenses 2,473 (3,980)
Operating income (loss) (620) 5,762
Other expense, net 2 56
Income (loss) before income taxes (622) 5,706
Income tax expense 6 0
Net income (loss) $ (628) $ 5,706
Weighted average common shares outstanding, basic (in shares) 163,075 152,104
Weighted average common shares outstanding, diluted (in shares) 163,075 152,104
Net income (loss) per common share, basic (in USD per share) $ (0) $ 0.04
Net income (loss) per common share, basic diluted (in USD per share) $ (0) $ 0.04
Revenue, product and service [Extensible List] us-gaap:ProductMember us-gaap:ProductMember