XML 23 R10.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Note 3 - Allowance for Doubtful Accounts | 12 Months Ended
--- | ---
Nov. 30, 2017
Notes to Financial Statements |
Allowance for Credit Losses [Text Block] |
( 3 ) | Allowance for Doubtful Accounts
A summary of the Company ’s activity in the allowance for doubtful accounts is as follows:
|  | For the 12 months ended |
|  | November 30, 201 7 |  |  | November 30, 201 6 |
Balance, beginnin g |  | $ | 22,746 |  |  | $ | 18,810 |
Provision charged to expens e |  |  | 11,187 |  |  |  | 4,925 |
Less amounts charged-of f |  |  | (1,635 | ) |  |  | (989 | )
Balance, endin g |  | $ | 32,298 |  |  | $ | 22,746 |

X
- Definition The entire disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -URI http://asc.fasb.org/topic&trid=2196771 + Details
Name: | us-gaap_AllowanceForCreditLossesTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureTextBlockAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration