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Note 4 - Revenue Recognition (Tables) | 6 Months Ended
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Mar. 31, 2020
Notes Tables |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | Customer deposits |  |  | Deferred revenue |  |  | Total contract liabilities |
Balance at September 30, 2019 |  | $ | 5,063,091 |  |  | $ | 1,059,407 |  |  | $ | 6,122,498 |
New performance obligations |  |  | 2,302,269 |  |  |  | 285,555 |  |  |  | 2,587,824 |
Recognition of revenue as a result of satisfying performance obligations |  |  | (4,099,364 | ) |  |  | (450,643 | ) |  |  | (4,550,007 | )
Effect of exchange rate on deferred revenue |  |  | - |  |  |  | 5,523 |  |  |  | 5,523 |
Balance at March 31, 2020 |  | $ | 3,265,996 |  |  | $ | 899,842 |  |  | $ | 4,165,838 |
Less: non-current portion |  |  | - |  |  |  | (435,880 | ) |  |  | (435,880 | )
Current portion at March 31, 2020 |  | $ | 3,265,996 |  |  | $ | 463,962 |  |  | $ | 3,729,958 |

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- Definition Tabular disclosure of receivable, contract asset, and contract liability from contract with customer. Includes, but is not limited to, change in contract asset and contract liability. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130551-203045 + Details
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- References No definition available. + Details
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