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Restatement of Previously Issued Financial Statements (Details 3) - USD ($) | Dec. 31, 2020 | Sep. 30, 2020 | Jun. 30, 2020 | Mar. 31, 2020 | Dec. 31, 2019 | Sep. 30, 2019 | Jun. 30, 2019 | Mar. 31, 2019
--- | --- | --- | --- | --- | --- | --- | --- | ---
Accounts receivable, net | $ 5,857,000 | $ 5,712,000 | $ 5,421,000 | $ 6,249,000 | $ 7,559,000 | $ 6,438,000 | $ 6,248,000 | $ 6,360,000
Sales tax | 1,011,000 | 902,000 | 773,000 | 681,000 | 594,000 | 452,000 | 347,000 | 232,000
Other | 1,071,000 | 872,000 | 769,000 | 403,000 | 687,000 | 499,000 | 437,000 | 503,000
Deferred tax liabilities | 0 | 0 | 0 | 0 | 0 | 88,000 | 152,000 | 292,000
Accumulated deficit | (9,587,000) | 8,626,000 | 7,740,000 | 5,897,000 | (4,972,000) | 2,367,000 | 1,270,000 | 611,000
As Previously Reported |  |  |  |  |  |  |  |
Accounts receivable, net | 5,628,000 | 5,538,000 | 5,319,000 | 6,199,000 | 7,559,000 | 6,438,000 | 6,248,000 | 6,360,000
Sales tax | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0
Other | 827,000 | 664,000 | 597,000 | 261,000 | 570,000 | 413,000 | 374,000 | 462,000
Deferred tax liabilities | 0 | 0 | 0 | 0 | 0 | 61,000 | 116,000 | 290,000
Accumulated deficit | 8,561,000 | 7,690,000 | 6,896,000 | 5,124,000 | 4,261,000 | 1,802,000 | 824,000 | 336,000
Error Correction |  |  |  |  |  |  |  |
Accounts receivable, net | 229,000 | 174,000 | 102,000 | 50,000 | 0 | 0 | 0 | 0
Sales tax | 1,011,000 | 902,000 | 773,000 | 681,000 | 594,000 | 452,000 | 347,000 | 232,000
Other | 244,000 | 208,000 | 172,000 | 142,000 | 117,000 | 86,000 | 63,000 | 41,000
Deferred tax liabilities | 0 | 0 | 0 | 0 | 0 | 27,000 | 36,000 | 2,000
Accumulated deficit | $ 1,026,000 | $ 936,000 | $ 844,000 | $ 773,000 | $ 711,000 | $ 565,000 | $ 446,000 | $ 275,000

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