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Unaudited Selected Quarterly Financial Information - Restatements (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 31, 2022
Sep. 30, 2022
Jun. 30, 2022
Mar. 31, 2022
Jun. 30, 2022
Sep. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jan. 01, 2022
Dec. 31, 2019
Income Statement [Abstract]                      
Revenue $ 146,626 $ 155,277 $ 162,649 $ 155,427 $ 318,076 $ 473,353 $ 619,979 $ 575,080 $ 470,636    
Cost of revenue 47,448 50,314 57,151 56,182 113,333 163,647 211,095 189,364 154,563    
Gross profit 99,178 104,963 105,498 99,245 204,743 309,706 408,884 385,716 316,073    
Operating expenses:                      
Sales and marketing 47,920 67,369 71,721 76,874 148,595 215,964 263,884 279,281 171,390    
Technology and development 18,821 17,457 16,197 17,959 34,156 51,613 70,434 84,003 41,863    
General and administrative 27,497 30,103 28,969 29,488 58,457 88,560 116,057 106,584 51,017    
Impairment of long-lived and other assets 11 237 0 0 0 237 248 924 1,105    
Total operating expenses 94,249 115,166 116,887 124,321 241,208 356,374 450,623 470,792 267,139    
(Loss) income from operations 4,929 (10,203) (11,389) (25,076) (36,465) (46,668) (41,739) (85,076) 48,934    
Interest income (expense), net 1,032 535 29 (53) (24) 511 1,543 (27,984) (35,504)    
Other (expense) income, net 1,625 (2,536) (2,022) (1,544) (3,566) (6,102) (4,477) 1,193 3,713    
Impairment of other equity security (3,000) 0 0 0     3,000 0 0    
(Loss) income before income taxes 4,586 (12,204) (13,382) (26,673) (40,055) (52,259) (47,673) (119,615) 12,325    
Provision for (benefit from) income taxes 2,842 (223) (639) (920) (1,559) (1,782) 1,060 (10,951) 2,429    
Net (loss) income $ 1,744 $ (11,981) $ (12,743) $ (25,753) $ (38,496) $ (50,477) $ (48,733) $ (108,664) $ 9,896    
Net (loss) income per share attributable to common stockholders – basic (in dollars per share) $ 0.01 $ (0.06) $ (0.06) $ (0.13) $ (0.19) $ (0.26) $ (0.25) $ (0.67) $ 0.06    
Net (loss) income per share attributable to common stockholders - diluted (in dollars per share) $ 0.01 $ (0.06) $ (0.06) $ (0.13) $ (0.19) $ (0.26) $ (0.25) $ (0.67) $ 0.06    
Weighted-average shares used to compute net (loss) income per share attributable to common stockholder - basic (in shares) 192,401,000 194,906,000 197,819,000 198,265,000 198,040,000 196,984,000 195,829,000 161,424,000 124,709,000    
Weighted-average shares used to compute net (loss) income per share attributable to common stockholder - diluted (in shares) 193,327,000 194,906,000 197,819,000 198,265,000 198,040,000 196,984,000 195,829,000 161,424,000 127,259,000    
Current assets:                      
Cash and cash equivalents $ 189,082 $ 211,812 $ 215,537 $ 247,504 $ 215,537 $ 211,812 $ 189,082 $ 239,297 $ 114,470    
Accounts receivable, net of allowance for credit losses of $4,730 and $4,060 13,177 13,700 12,993 13,389 12,993 13,700 13,177 10,635      
Allowance 4,730 4,419 4,508 3,633 4,508 4,419 4,730 4,060 5,256   $ 2,461
Prepaid expenses and other current assets 16,699 16,360 13,860 22,930 13,860 16,360 16,699 16,589      
Current assets held for sale 22,722 22,722 0 0 0 22,722 22,722 0      
Total current assets 241,680 264,594 242,390 283,823 242,390 264,594 241,680 266,521      
Property and equipment, net 30,823 29,012 49,342 47,769 49,342 29,012 30,823 47,013      
Goodwill 63,229 63,184 59,933 59,994 59,933 63,184 63,229 59,910 11,404    
Intangible assets, net 18,900 13,552 14,570 15,361 14,570 13,552 18,900 16,031      
Operating lease assets 11,148 11,796 6,961 5,292 6,961 11,796 11,148 0   $ 5,700  
Deferred income taxes 29,380 30,276 29,749 28,726 29,749 30,276 29,380 27,653      
Available-for-sale debt securities (amortized cost of $812 and $792) 995 1,183 1,182 1,182 1,182 1,183 995 1,122      
Other assets 9,240 12,876 13,312 13,157 13,312 12,876 9,240 12,765      
Total assets 405,395 426,473 417,439 455,304 417,439 426,473 405,395 431,015      
Current liabilities:                      
Accounts payable 25,312 25,805 18,404 31,747 18,404 25,805 25,312 31,788      
Accrued expenses and other current liabilities 57,373 59,895 54,585 56,606 54,585 59,895 57,373 50,817      
Deferred revenue 164,200 167,967 163,140 163,016 163,140 167,967 164,200 146,364      
Less: current portion 2,317 2,054 1,542 1,607 1,542 2,054 2,317 0      
Total current liabilities 249,202 255,721 237,671 252,976 237,671 255,721 249,202 228,969      
Long-term lease liabilities 8,958 9,568 4,842 3,505 4,842 9,568 8,958 0      
Deferred revenue 892 1,013 1,137 1,283 1,137 1,013 892 1,554      
Other liabilities 3,968 2,926 2,841 2,833 2,841 2,926 3,968 2,941      
Total liabilities 263,020 269,228 246,491 260,597 246,491 269,228 263,020 233,464      
Stockholders’ equity:                      
Preferred stock, $0.001 par value 100,000 shares authorized at December 31, 2022 and 2021, none issued or outstanding at December 31, 2022 and 2021 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0      
Preferred stock par value (in dollars per share) $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001      
Preferred stock shares authorized (in shares) 100,000,000 100,000 100,000 100,000 100,000 100,000 100,000,000 100,000,000      
Preferred stock shares issued (in shares) 0 0 0 0 0 0 0 0      
Preferred stock shares outstanding (in shares) 0 0 0 0 0 0 0 0      
Common stock, $0.001 par value; 1,000,000 and 1,000,000 shares authorized; 190,822 and 198,084 shares issued and outstanding at December 31, 2022 and 2021, respectively $ 190 $ 193 $ 196 $ 198 $ 196 $ 193 $ 190 $ 198      
Common stock par value (in dollars per share) $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001 $ 0.001      
Common stock shares authorized (in shares) 1,000,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000 1,000,000,000 1,000,000,000      
Common stock shares issued (in shares) 190,822,000 193,848 196,076 198,599 196,076 193,848 190,822,000 198,084,000      
Common stock shares outstanding (in shares) 190,822,000 193,848 196,076 198,599 196,076 193,848 190,822,000 198,084,000      
Additional paid-in capital $ 1,032,550 $ 1,015,068 $ 994,558 $ 969,731 $ 994,558 $ 1,015,068 $ 1,032,550 $ 947,160      
Accumulated deficit (891,862) (862,514) (825,660) (774,867) (825,660) (862,514) (891,862) (748,012)      
Accumulated other comprehensive income (loss) 1,497 4,498 1,854 (355) 1,854 4,498 1,497 (1,795)      
Total stockholders’ equity 142,375 157,245 170,948 194,707 170,948 157,245 142,375 197,551 (550,632)   (556,991)
Total liabilities and stockholders’ equity 405,395 426,473 417,439 455,304 417,439 426,473 405,395 431,015      
Statement of Other Comprehensive Income [Abstract]                      
Net (loss) income 1,744 (11,981) (12,743) (25,753) (38,496) (50,477) (48,733) (108,664) 9,896    
Other comprehensive income (loss)   2,644 2,209 1,440 3,649 6,293 3,292 12,032 (8,100)    
Total comprehensive loss   (9,337) (10,534) (24,313) (34,847) (44,184) (45,441) (96,632) 1,796    
Statement of Stockholders' Equity [Abstract]                      
Beginning balance 157,245 170,948 194,707 197,551 197,551 197,551 197,551 (550,632) (556,991)    
Net (loss) income 1,744 (11,981) (12,743) (25,753) (38,496) (50,477) (48,733) (108,664) 9,896    
Comprehensive loss   (9,337) (10,534) (24,313) (34,847) (44,184) (45,441) (96,632) 1,796    
Ending balance 142,375 157,245 170,948 194,707 170,948 157,245 142,375 197,551 (550,632)    
Cash flows from operating activities                      
Net (loss) income 1,744 (11,981) (12,743) (25,753) (38,496) (50,477) (48,733) (108,664) 9,896    
Adjustments to reconcile net (loss) income to net cash provided by operating activities:                      
Depreciation and amortization       5,394 10,933 16,187 21,745 16,686 20,097    
Amortization of right-of-use assets       378 852 1,290 2,049 0 0    
Amortization of debt issuance costs       56 112 170 227 1,392 2,591    
Impairment of other equity security       170 170 170 3,000 0 0    
Impairment of long-lived assets       0 0 237 248 924 1,105    
Stock-based compensation       21,865 44,712 64,490 80,469 112,596 12,894    
Deferred income taxes       (1,086) (2,109) (2,637) (793) (11,595) 1,325    
Change in fair value of contingent consideration       0 (150) (150) (150) 0 0    
Unrealized foreign exchange loss (gain)       1,379 3,405 5,958 3,558 943 (1,755)    
Other       0 (1) (1) 168 4 22    
Changes in operating assets and liabilities, net of effects of business combinations, asset acquisition and disposal of business:                      
Accounts receivable       (2,755) (2,357) (3,024) (2,505) (1,511) 954    
Prepaid expenses and other current assets       (6,464) (417) (296) (523) (4,965) (799)    
Other assets       (811) (338) (863) 179 (3,648) 1,153    
Accounts payable       (117) (13,553) (6,417) (6,609) 2,360 12,416    
Accrued expenses and other liabilities       5,772 6,921 7,585 6,535 13,781 1,418    
Operating lease liabilities       (770) (1,642) (1,599) (2,135) 0 0    
Income tax payable       7 15 22 28 (185) 10    
Deferred revenue       16,472 16,700 21,370 17,079 17,866 23,204    
Net cash provided by operating activities       13,737 24,757 52,015 73,837 54,152 93,049    
Cash flows from investing activities                      
Acquisitions, net of cash acquired       0 0 (2,532) (2,532) (61,523) (934)    
Proceeds from acquisition working capital adjustment       304 307 307 307 0 0    
Purchase of property and equipment       (4,911) (10,379) (16,441) (22,098) (11,740) (10,587)    
Net cash used in investing activities       (4,607) (10,072) (18,666) (30,622) (77,673) (12,727)    
Cash flows from financing activities                      
Repayment of finance and capital lease obligations       (4)     (14) (31) (31)    
Payment of contingent consideration       0 (600) (600) (600) (1,049) 0    
Repurchase and retirement of common stock       (1,094) (39,155) (61,736) (95,126) 0 (4,805)    
Repurchase and retirement of common stock for tax withholding obligations       (11) (30) (41) (41) (2,342) (3,606)    
Proceeds from issuance of stock under employee stock plans       237 1,487 1,682 2,438 1,819 381    
Net cash (used in) provided by financing activities       (872) (38,298) (60,695) (93,343) 123,359 (15,089)    
Effect of exchange rate changes on cash, cash equivalents and restricted cash equivalent       (51) (147) (139) (87) (11) 57    
Net (decrease) increase in cash, cash equivalents and restricted cash equivalent       8,207 (23,760) (27,485) (50,215) 99,827 65,290    
Cash, cash equivalents and restricted cash equivalent, at beginning of the period 211,812 215,537 247,504 239,297 239,297 239,297 239,297 139,470 74,180    
Cash, cash equivalents and restricted cash equivalent, at end of the period 189,082 211,812 215,537 247,504 215,537 211,812 189,082 239,297 139,470    
Common Stock                      
Stockholders’ equity:                      
Total stockholders’ equity $ 190 $ 193 $ 196 $ 198 $ 196 $ 193 $ 190 $ 198 $ 126   125
Statement of Stockholders' Equity [Abstract]                      
Beginning balance, shares 193,848,000 196,079,000 198,599,000 198,084,000 198,084,000 198,084,000 198,084,000 125,037,000 124,382,000    
Beginning balance $ 193 $ 196 $ 198 $ 198 $ 198 $ 198 $ 198 $ 126 $ 125    
Ending balance, shares 190,822,000 193,848,000 196,079,000 198,599,000 196,079,000 193,848,000 190,822,000 198,084,000 125,037,000    
Ending balance $ 190 $ 193 $ 196 $ 198 $ 196 $ 193 $ 190 $ 198 $ 126    
Additional
Paid-In
Capital                      
Stockholders’ equity:                      
Total stockholders’ equity 1,032,550 1,015,068 994,558 969,731 994,558 1,015,068 1,032,550 947,160 102,417   92,916
Statement of Stockholders' Equity [Abstract]                      
Beginning balance 1,015,068 994,558 969,731 947,160 947,160 947,160 947,160 102,417 92,916    
Ending balance 1,032,550 1,015,068 994,558 969,731 994,558 1,015,068 1,032,550 947,160 102,417    
Accumulated
Deficit                      
Operating expenses:                      
Net (loss) income             (48,733) (108,664) 9,896    
Stockholders’ equity:                      
Total stockholders’ equity (891,862) (862,514) (825,660) (774,867) (825,660) (862,514) (891,862) (748,012) (639,348)   (644,305)
Statement of Other Comprehensive Income [Abstract]                      
Net (loss) income             (48,733) (108,664) 9,896    
Statement of Stockholders' Equity [Abstract]                      
Beginning balance (862,514) (825,660) (774,867) (748,012) (748,012) (748,012) (748,012) (639,348) (644,305)    
Net (loss) income             (48,733) (108,664) 9,896    
Ending balance (891,862) (862,514) (825,660) (774,867) (825,660) (862,514) (891,862) (748,012) (639,348)    
Cash flows from operating activities                      
Net (loss) income             (48,733) (108,664) 9,896    
Accumulated
Other
Comprehensive
(loss) Income                      
Stockholders’ equity:                      
Accumulated other comprehensive income (loss) 1,497           1,497 (1,795) (13,827)   (5,727)
Total stockholders’ equity 1,497 4,498 1,854 (355) 1,854 4,498 1,497 (1,795) (13,827)   $ (5,727)
Statement of Other Comprehensive Income [Abstract]                      
Other comprehensive income (loss)             3,292 12,032 (8,100)    
Statement of Stockholders' Equity [Abstract]                      
Beginning balance 4,498 1,854 (355) (1,795) (1,795) (1,795) (1,795) (13,827) (5,727)    
Ending balance 1,497 4,498 1,854 (355) 1,854 4,498 1,497 (1,795) $ (13,827)    
As Reported                      
Income Statement [Abstract]                      
Revenue   154,416 163,867 154,209 318,076 472,492          
Cost of revenue   50,050 57,393 55,940 113,333 163,383          
Gross profit   104,366 106,474 98,269 204,743 309,109          
Operating expenses:                      
Sales and marketing   66,145 72,945 76,874 149,819 215,964          
Technology and development   17,457 16,197 17,959 34,156 51,613          
General and administrative   30,103 28,969 29,488 58,457 88,560          
Impairment of long-lived and other assets   237 0 0 0 237          
Total operating expenses   113,942 118,111 124,321 242,432 356,374          
(Loss) income from operations   (9,576) (11,637) (26,052) (37,689) (47,265)          
Interest income (expense), net   535 29 (53) (24) 511          
Other (expense) income, net   (2,536) (2,022) (1,544) (3,566) (6,102)          
(Loss) income before income taxes   (11,577) (13,630) (27,649) (41,279) (52,856)          
Provision for (benefit from) income taxes   (1,469) (451) 2,960 2,509 1,040          
Net (loss) income   $ (10,108) $ (13,179) $ (30,609) $ (43,788) $ (53,896)          
Net (loss) income per share attributable to common stockholders – basic (in dollars per share)   $ (0.05) $ (0.07) $ (0.15) $ (0.22) $ (0.27)          
Net (loss) income per share attributable to common stockholders - diluted (in dollars per share)   $ (0.05) $ (0.07) $ (0.15) $ (0.22) $ (0.27)          
Weighted-average shares used to compute net (loss) income per share attributable to common stockholder - basic (in shares)   194,906,000 197,819,000 198,265,000 198,040,000 196,984,000          
Weighted-average shares used to compute net (loss) income per share attributable to common stockholder - diluted (in shares)   194,906,000 197,819,000 198,265,000 198,040,000 196,984,000          
Current assets:                      
Cash and cash equivalents   $ 211,812 $ 215,537 $ 247,504 $ 215,537 $ 211,812          
Accounts receivable, net of allowance for credit losses of $4,730 and $4,060   13,578 12,993 12,784 12,993 13,578          
Prepaid expenses and other current assets   16,624 13,860 23,172 13,860 16,624          
Current assets held for sale   22,722 0 0 0 22,722          
Total current assets   264,736 242,390 283,460 242,390 264,736          
Property and equipment, net   29,012 49,342 47,769 49,342 29,012          
Goodwill   63,184 59,933 59,994 59,933 63,184          
Intangible assets, net   13,552 14,570 15,361 14,570 13,552          
Operating lease assets   11,796 6,961 5,292 6,961 11,796          
Deferred income taxes   27,473 25,685 24,849 25,685 27,473          
Available-for-sale debt securities (amortized cost of $812 and $792)   1,183 1,182 1,182 1,182 1,183          
Other assets   12,877 13,319 13,157 13,319 12,877          
Total assets   423,813 413,382 451,064 413,382 423,813          
Current liabilities:                      
Accounts payable   25,805 18,404 31,747 18,404 25,805          
Accrued expenses and other current liabilities   59,916 55,820 56,509 55,820 59,916          
Deferred revenue   168,705 163,140 163,729 163,140 168,705          
Less: current portion   2,054 1,542 1,607 1,542 2,054          
Total current liabilities   256,480 238,906 253,592 238,906 256,480          
Long-term lease liabilities   9,568 4,842 3,505 4,842 9,568          
Deferred revenue   1,013 1,137 1,283 1,137 1,013          
Other liabilities   2,926 2,841 2,833 2,841 2,926          
Total liabilities   269,987 247,726 261,213 247,726 269,987          
Stockholders’ equity:                      
Preferred stock, $0.001 par value 100,000 shares authorized at December 31, 2022 and 2021, none issued or outstanding at December 31, 2022 and 2021   0 0 0 0 0          
Common stock, $0.001 par value; 1,000,000 and 1,000,000 shares authorized; 190,822 and 198,084 shares issued and outstanding at December 31, 2022 and 2021, respectively   193 196 198 196 193          
Additional paid-in capital   1,015,068 994,558 969,731 994,558 1,015,068          
Accumulated deficit   (865,933) (830,952) (779,723) (830,952) (865,933)          
Accumulated other comprehensive income (loss)   4,498 1,854 (355) 1,854 4,498          
Total stockholders’ equity   153,826 165,656 189,851 165,656 153,826          
Total liabilities and stockholders’ equity   423,813 413,382 451,064 413,382 423,813          
Statement of Other Comprehensive Income [Abstract]                      
Net (loss) income   (10,108) (13,179) (30,609) (43,788) (53,896)          
Other comprehensive income (loss)   2,644 2,209 1,440 3,649 6,293          
Total comprehensive loss   (7,464) (10,970) (29,169) (40,139) (47,603)          
Statement of Stockholders' Equity [Abstract]                      
Beginning balance 153,826 165,656 189,851                
Net (loss) income   (10,108) (13,179) (30,609) (43,788) (53,896)          
Comprehensive loss   (7,464) (10,970) (29,169) (40,139) (47,603)          
Ending balance   153,826 165,656 189,851 165,656 153,826          
Cash flows from operating activities                      
Net (loss) income   (10,108) (13,179) (30,609) (43,788) (53,896)          
Adjustments to reconcile net (loss) income to net cash provided by operating activities:                      
Depreciation and amortization       5,394 10,933 16,187          
Amortization of right-of-use assets       378 852 1,290          
Amortization of debt issuance costs       56 112 170          
Impairment of other equity security       170 170 170          
Impairment of long-lived assets       0 0 237          
Stock-based compensation       21,865 44,712 64,490          
Deferred income taxes       2,791 1,955 166          
Change in fair value of contingent consideration       0 (150) (150)          
Unrealized foreign exchange loss (gain)       1,379 3,405 5,958          
Other       0 (1) (1)          
Changes in operating assets and liabilities, net of effects of business combinations, asset acquisition and disposal of business:                      
Accounts receivable       (2,150) (2,357) (2,902)          
Prepaid expenses and other current assets       (6,706) (417) (560)          
Other assets       (811) (345) (864)          
Accounts payable       (117) (13,553) (6,417)          
Accrued expenses and other liabilities       5,675 8,156 7,606          
Operating lease liabilities       (770) (1,642) (1,599)          
Income tax payable       7 15 22          
Deferred revenue       17,185 16,700 22,108          
Net cash provided by operating activities       13,737 24,757 52,015          
Cash flows from investing activities                      
Acquisitions, net of cash acquired       0 0 (2,532)          
Proceeds from acquisition working capital adjustment       304 307 307          
Purchase of property and equipment       (4,911) (10,379) (16,441)          
Net cash used in investing activities       (4,607) (10,072) (18,666)          
Cash flows from financing activities                      
Repayment of finance and capital lease obligations       (4)              
Payment of contingent consideration       0 (600) (600)          
Repurchase and retirement of common stock       (1,094) (39,155) (61,736)          
Repurchase and retirement of common stock for tax withholding obligations       (11) (30) (41)          
Proceeds from issuance of stock under employee stock plans       237 1,487 1,682          
Net cash (used in) provided by financing activities       (872) (38,298) (60,695)          
Effect of exchange rate changes on cash, cash equivalents and restricted cash equivalent       (51) (147) (139)          
Net (decrease) increase in cash, cash equivalents and restricted cash equivalent       8,207 (23,760) (27,485)          
Cash, cash equivalents and restricted cash equivalent, at beginning of the period $ 211,812 215,537 247,504 239,297 239,297 239,297 239,297        
Cash, cash equivalents and restricted cash equivalent, at end of the period   211,812 215,537 247,504 215,537 211,812   239,297      
As Reported | Common Stock                      
Stockholders’ equity:                      
Total stockholders’ equity   $ 193 $ 196 $ 198 $ 196 $ 193          
Statement of Stockholders' Equity [Abstract]                      
Beginning balance, shares 193,848,000 196,079,000 198,599,000                
Beginning balance $ 193 $ 196 $ 198                
Ending balance, shares   193,848,000 196,079,000 198,599,000 196,079,000 193,848,000          
Ending balance   $ 193 $ 196 $ 198 $ 196 $ 193          
As Reported | Additional
Paid-In
Capital                      
Stockholders’ equity:                      
Total stockholders’ equity   1,015,068 994,558 969,731 994,558 1,015,068          
Statement of Stockholders' Equity [Abstract]                      
Beginning balance 1,015,068 994,558 969,731                
Ending balance   1,015,068 994,558 969,731 994,558 1,015,068          
As Reported | Accumulated
Deficit                      
Stockholders’ equity:                      
Total stockholders’ equity   (865,933) (830,952) (779,723) (830,952) (865,933)          
Statement of Stockholders' Equity [Abstract]                      
Beginning balance (865,933) (830,952) (779,723)                
Ending balance   (865,933) (830,952) (779,723) (830,952) (865,933)          
As Reported | Accumulated
Other
Comprehensive
(loss) Income                      
Stockholders’ equity:                      
Total stockholders’ equity   4,498 1,854 (355) 1,854 4,498          
Statement of Stockholders' Equity [Abstract]                      
Beginning balance 4,498 1,854 (355)                
Ending balance   4,498 1,854 (355) 1,854 4,498          
Adjustments                      
Income Statement [Abstract]                      
Revenue   861 (1,218) 1,218 0 861          
Cost of revenue   264 (242) 242 0 264          
Gross profit   597 (976) 976 0 597          
Operating expenses:                      
Sales and marketing   1,224 (1,224) 0 (1,224) 0          
Technology and development   0 0 0 0 0          
General and administrative   0 0 0 0 0          
Impairment of long-lived and other assets   0 0 0 0 0          
Total operating expenses   1,224 (1,224) 0 (1,224) 0          
(Loss) income from operations   (627) 248 976 1,224 597          
Interest income (expense), net   0 0 0 0 0          
Other (expense) income, net   0 0 0 0 0          
(Loss) income before income taxes   (627) 248 976 1,224 597          
Provision for (benefit from) income taxes   1,246 (188) (3,880) (4,068) (2,822)          
Net (loss) income   $ (1,873) $ 436 $ 4,856 $ 5,292 $ 3,419          
Net (loss) income per share attributable to common stockholders – basic (in dollars per share)   $ 0 $ 0 $ 0 $ 0 $ 0          
Net (loss) income per share attributable to common stockholders - diluted (in dollars per share)   $ 0 $ 0 $ 0 $ 0 $ 0          
Weighted-average shares used to compute net (loss) income per share attributable to common stockholder - basic (in shares)   0 0 0 0 0          
Weighted-average shares used to compute net (loss) income per share attributable to common stockholder - diluted (in shares)   0 0 0 0 0          
Current assets:                      
Cash and cash equivalents   $ 0 $ 0 $ 0 $ 0 $ 0          
Accounts receivable, net of allowance for credit losses of $4,730 and $4,060   122 0 605 0 122          
Prepaid expenses and other current assets   (264) 0 (242) 0 (264)          
Current assets held for sale   0 0 0 0 0          
Total current assets   (142) 0 363 0 (142)          
Property and equipment, net   0 0 0 0 0          
Goodwill   0 0 0 0 0          
Intangible assets, net   0 0 0 0 0          
Operating lease assets   0 0 0 0 0          
Deferred income taxes   2,803 4,064 3,877 4,064 2,803          
Available-for-sale debt securities (amortized cost of $812 and $792)   0 0 0 0 0          
Other assets   (1) (7) 0 (7) (1)          
Total assets   2,660 4,057 4,240 4,057 2,660          
Current liabilities:                      
Accounts payable   0 0 0 0 0          
Accrued expenses and other current liabilities   (21) (1,235) 97 (1,235) (21)          
Deferred revenue   (738) 0 (713) 0 (738)          
Less: current portion   0 0 0 0 0          
Total current liabilities   (759) (1,235) (616) (1,235) (759)          
Long-term lease liabilities   0 0 0 0 0          
Deferred revenue   0 0 0 0 0          
Other liabilities   0 0 0 0 0          
Total liabilities   (759) (1,235) (616) (1,235) (759)          
Stockholders’ equity:                      
Preferred stock, $0.001 par value 100,000 shares authorized at December 31, 2022 and 2021, none issued or outstanding at December 31, 2022 and 2021   0 0 0 0 0          
Common stock, $0.001 par value; 1,000,000 and 1,000,000 shares authorized; 190,822 and 198,084 shares issued and outstanding at December 31, 2022 and 2021, respectively   0 0 0 0 0          
Additional paid-in capital   0 0 0 0 0          
Accumulated deficit   3,419 5,292 4,856 5,292 3,419          
Accumulated other comprehensive income (loss)   0 0 0 0 0          
Total stockholders’ equity   3,419 5,292 4,856 5,292 3,419          
Total liabilities and stockholders’ equity   2,660 4,057 4,240 4,057 2,660          
Statement of Other Comprehensive Income [Abstract]                      
Net (loss) income   (1,873) 436 4,856 5,292 3,419          
Other comprehensive income (loss)   0 0 0 0 0          
Total comprehensive loss   (1,873) 436 4,856 5,292 3,419          
Statement of Stockholders' Equity [Abstract]                      
Beginning balance 3,419 5,292 4,856                
Net (loss) income   (1,873) 436 4,856 5,292 3,419          
Comprehensive loss   (1,873) 436 4,856 5,292 3,419          
Ending balance   3,419 5,292 4,856 5,292 3,419          
Cash flows from operating activities                      
Net (loss) income   (1,873) 436 4,856 5,292 3,419          
Adjustments to reconcile net (loss) income to net cash provided by operating activities:                      
Depreciation and amortization       0 0 0          
Amortization of right-of-use assets       0 0 0          
Amortization of debt issuance costs       0 0 0          
Impairment of other equity security       0 0 0          
Impairment of long-lived assets       0 0 0          
Stock-based compensation       0 0 0          
Deferred income taxes       (3,877) (4,064) (2,803)          
Change in fair value of contingent consideration       0 0 0          
Unrealized foreign exchange loss (gain)       0 0 0          
Other       0 0 0          
Changes in operating assets and liabilities, net of effects of business combinations, asset acquisition and disposal of business:                      
Accounts receivable       (605) 0 (122)          
Prepaid expenses and other current assets       242 0 264          
Other assets       0 7 1          
Accounts payable       0 0 0          
Accrued expenses and other liabilities       97 (1,235) (21)          
Operating lease liabilities       0 0 0          
Income tax payable       0 0 0          
Deferred revenue       (713) 0 (738)          
Net cash provided by operating activities       0 0 0          
Cash flows from investing activities                      
Acquisitions, net of cash acquired       0 0 0          
Proceeds from acquisition working capital adjustment       0 0 0          
Purchase of property and equipment       0 0 0          
Net cash used in investing activities       0 0 0          
Cash flows from financing activities                      
Repayment of finance and capital lease obligations       0              
Payment of contingent consideration       0 0 0          
Repurchase and retirement of common stock       0 0 0          
Repurchase and retirement of common stock for tax withholding obligations       0 0 0          
Proceeds from issuance of stock under employee stock plans       0 0 0          
Net cash (used in) provided by financing activities       0 0 0          
Effect of exchange rate changes on cash, cash equivalents and restricted cash equivalent       0 0 0          
Net (decrease) increase in cash, cash equivalents and restricted cash equivalent       0 0 0          
Cash, cash equivalents and restricted cash equivalent, at beginning of the period $ 0 0 0 0 0 0 $ 0        
Cash, cash equivalents and restricted cash equivalent, at end of the period   $ 0 $ 0 $ 0 0 $ 0   $ 0      
Adjustments | Accumulated
Deficit                      
Statement of Other Comprehensive Income [Abstract]                      
Total comprehensive loss         5,292            
Statement of Stockholders' Equity [Abstract]                      
Comprehensive loss         5,292            
Adjustments | Accumulated
Other
Comprehensive
(loss) Income                      
Statement of Other Comprehensive Income [Abstract]                      
Total comprehensive loss         0            
Statement of Stockholders' Equity [Abstract]                      
Comprehensive loss         $ 0