| QUARTERLY FINANCIAL RESULTS (UNAUDITED) |
15. QUARTERLY FINANCIAL RESULTS (UNAUDITED): Summarized quarterly data for 2021, 2020 and 2019 are as follows: | | | | | | | | | | | | | | | For the Quarters Ended | | | March 31 | | June 30 | | September 30 | | December 31 | 2021: | | | | | | | | | | | | | Total revenue | | $ | 10,598,847 | | $ | 12,024,069 | | $ | 9,760,416 | | $ | 10,782,195 | Gross margin | | | 7,847,403 | | | 9,313,852 | | | 7,297,470 | | | 7,659,452 | Loss from operations | | | (2,852,191) | | | (4,924,733) | | | (5,406,000) | | | (9,561,821) | Net loss attributable to common stockholders | | | (4,167,821) | | | (4,677,530) | | | (6,406,285) | | | (9,307,012) | Net loss per share, basic and diluted | | | (0.10) | | | (0.11) | | | (0.15) | | | (0.25) | | | | | | | | | | | | | | 2020 | | | | | | | | | | | | | Total revenue | | $ | 8,707,310 | | $ | 9,794,903 | | $ | 10,546,612 | | $ | 11,955,776 | Gross margin | | | 6,322,468 | | | 6,545,136 | | | 7,656,230 | | | 9,428,358 | Loss from operations | | | (2,478,754) | | | (3,297,667) | | | (1,959,652) | | | (2,634,264) | Net loss attributable to common stockholders | | | (3,452,779) | | | (2,866,956) | | | (839,729) | | | (677,724) | Net loss per share, basic and diluted | | | (0.10) | | | (0.08) | | | (0.02) | | | 0.00 | | | | | | | | | | | | | | 2019: | | | | | | | | | | | | | Total revenue | | $ | 5,191,629 | | $ | 6,232,526 | | $ | 6,095,007 | | $ | 7,430,311 | Gross margin | | | 3,453,040 | | | 4,398,160 | | | 4,398,733 | | | 5,335,621 | Loss from operations | | | (4,285,193) | | | (3,629,997) | | | (5,627,546) | | | (5,431,328) | Net loss attributable to common stockholders | | | (4,883,827) | | | (3,547,405) | | | (6,885,061) | | | (3,949,351) | Net loss per share, basic and diluted | | | (0.15) | | | (0.11) | | | (0.21) | | | (0.13) |
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