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v3.22.2.2

CONDENSED CONSOLIDATED STATEMENTS OF INCOME (LOSS) (Unaudited) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021
Revenue |  |  |  |
Product sales | $ 7,076 | $ 7,205 | $ 19,714 | $ 21,868
Barrier rentals | 1,369 | 1,708 | 4,816 | 8,667
Royalty income | 833 | 676 | 2,031 | 1,788
Shipping and installation revenue | 2,678 | 3,511 | 9,083 | 8,302
Total revenue | 11,956 | 13,100 | 35,644 | 40,625
Cost of goods sold | 9,874 | 9,898 | 28,683 | 28,388
Gross profit | 2,082 | 3,202 | 6,961 | 12,237
Operating expenses |  |  |  |
General and administrative expenses | 1,229 | 1,215 | 3,797 | 3,880
Selling expenses | 849 | 719 | 2,236 | 2,010
Total operating expenses | 2,078 | 1,934 | 6,033 | 5,890
Operating income (loss) | 4 | 1,268 | 928 | 6,347
Other income (expense) |  |  |  |
Interest expense | (69) | (47) | (187) | (145)
Interest income | 3 | 10 | 9 | 29
Gain on sale of assets | 29 | 205 | 94 | 293
Gain on forgiveness of PPP loan | 0 | 2,692 | 0 | 2,692
Other income | 26 | 8 | 208 | 41
Total other income (expense) | (11) | 2,868 | 124 | 2,910
Income (loss) before income tax expense (benefit) | (7) | 4,136 | 1,052 | 9,257
Income tax expense (benefit) | (12) | 442 | 256 | 1,711
Net income (loss) | $ 5 | $ 3,694 | $ 796 | $ 7,546
Basic and diluted earnings (loss) per common share | $ 0.00 | $ 0.71 | $ 0.15 | $ 1.45
Weighted average number of common shares outstanding: |  |  |  |
Basic | 5,231 | 5,202 | 5,230 | 5,202
Diluted | 5,286 | 5,220 | 5,281 | 5,217

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