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Note 4 - Revenue Recognition - Contract Asset and Contract Liabilities (Details) - USD ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Sep. 30, 2020 | Sep. 30, 2019
Balance | $ 6,123 |
New performance obligations | 8,051 |
Recognition of revenue as a result of satisfying performance obligations | (9,491) |
Effect of exchange rate on deferred revenue | 24 |
Balance | 4,707 |
Less: non-current portion | (293) |
Current portion | 4,414 |
Customer Deposits [Member] |  |
Balance | 5,063 |
New performance obligations | 7,089 |
Recognition of revenue as a result of satisfying performance obligations | (8,469) |
Effect of exchange rate on deferred revenue |  |
Balance | 3,683 |
Less: non-current portion |  |
Current portion | 3,683 | $ 5,063
Deferred Revenue [Member] |  |
Balance | 1,060 |
New performance obligations | 962 |
Recognition of revenue as a result of satisfying performance obligations | (1,022) |
Effect of exchange rate on deferred revenue | 24 |
Balance | 1,024 |
Less: non-current portion | (293) | (551)
Current portion | $ 731 | $ 509

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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable. + 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 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=121604090&loc=SL49130549-203045 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044 + Details
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- Definition Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=121556615&loc=SL49130532-203044 Reference 2: 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 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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