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v3.20.4

CONSOLIDATED SUPPLEMENTARY FINANCIAL DATA (Unaudited) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Revenue |  |  |  |  |  |  |  |  |  |  |
Revenue | $ 61,913 | $ 56,915 | $ 59,930 | $ 63,989 | $ 59,947 | $ 57,399 | $ 58,297 | $ 48,384 | $ 242,747 | $ 224,027 | $ 231,201
Cost of revenue |  |  |  |  |  |  |  |  |  |  |
Cost of revenue | 13,451 | 15,264 | 16,148 | 15,885 | 14,576 | 12,574 | 13,027 | 11,198 | 60,748 | 51,375 | 53,701
Gross Profit | 48,462 | 41,651 | 43,782 | 48,104 | 45,371 | 44,825 | 45,270 | 37,186 | 181,999 | 172,652 | 177,500
Operating expenses |  |  |  |  |  |  |  |  |  |  |
Operating Expenses | 59,466 | 54,151 | 56,246 | 58,943 | 58,582 | 67,698 | 82,316 | 68,595 | 228,806 | 277,191 | 264,467
Operating loss | (11,004) | (12,500) | (12,464) | (10,839) | (13,211) | (22,873) | (37,046) | (31,409) | (46,807) | (104,539) | (86,967)
Net loss | $ (12,066) | $ (12,779) | $ (10,781) | $ (7,983) | $ (9,532) | $ (17,331) | $ (36,980) | $ (26,576) | $ (43,609) | $ (90,419) | $ (157,957)
Net loss per share: |  |  |  |  |  |  |  |  |  |  |
Basic (in dollars per share) | $ (0.11) | $ (0.11) | $ (0.09) | $ (0.07) | $ (0.09) | $ (0.16) | $ (0.33) | $ (0.24) | $ (0.39) | $ (0.81) | $ (1.46)
Diluted (in dollars per share) | $ (0.11) | $ (0.11) | $ (0.09) | $ (0.07) | $ (0.09) | $ (0.16) | $ (0.33) | $ (0.24) | $ (0.39) | $ (0.81) | $ (1.46)
Shares used in per share calculations: |  |  |  |  |  |  |  |  |  |  |
Basic (in shares) | 112,706 | 113,828 | 113,572 | 112,907 | 111,883 | 111,315 | 110,875 | 109,692 | 113,254 | 110,948 | 108,450
Diluted (in shares) | 112,706 | 113,828 | 113,572 | 112,907 | 111,883 | 111,315 | 110,875 | 109,692 | 113,254 | 110,948 | 108,450

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