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Description of Business and Summary of Significant Accounting Policies - Schedule of Change in Assets and Liabilities From Contracts With Customers (Detail) - USD ($) | 9 Months Ended
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Aug. 31, 2020 | Aug. 31, 2019
Accounting Policies [Abstract] |  |
Contract assets (sales commissions), Beginning balance | $ 398,535 | $ 329,231
Contract assets (sales commissions), Additions | 68,152 | 67,668
Contract assets (sales commissions), Deductions | (16,049) | (13,500)
Contract assets (sales commissions), Ending balance | 450,638 | 383,399
Account receivables, Beginning balance | 6,097,331 | 5,867,335
Account receivables, Additions | 28,361,238 | 27,615,196
Account receivables, Deductions | (27,955,019) | (27,594,375)
Account receivables , Ending balance | 6,503,550 | 5,888,156
Contract liabilities (deferred revenue), Beginning balance | 32,508,511 | 28,682,515
Contract liabilities (deferred revenue), Additions | 13,045,728 | 14,184,601
Contract liabilities (deferred revenue), Deductions | (10,245,771) | (11,192,801)
Contract liabilities (deferred revenue), Ending balance | $ 35,308,468 | $ 31,674,315

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- Definition Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4428-111522 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121566466&loc=d3e6676-107765 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 45 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=121593590&loc=d3e4531-111522 + Details
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- Definition Amount, after allowance for credit loss, of right to consideration in exchange for good or service transferred to customer when right is conditioned on something other than passage of time, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130531-203044 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130533-203044 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 + Details
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