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Note 3 - Revenue (Tables) | 9 Months Ended
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Sep. 30, 2022
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Product Category |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Pumps and pump systems |  | $ | 138,522 |  |  | $ | 86,770 |  |  | $ | 327,883 |  |  | $ | 241,038 |
Repair parts for pumps and pump systems and other |  |  | 15,270 |  |  |  | 15,340 |  |  |  | 47,143 |  |  |  | 43,114 |
Total net sales |  | $ | 153,792 |  |  | $ | 102,110 |  |  | $ | 375,026 |  |  | $ | 284,152 |
|  | Geographic Location |
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
United States |  | $ | 115,478 |  |  | $ | 68,726 |  |  | $ | 272,943 |  |  | $ | 195,823 |
Foreign countries |  |  | 38,314 |  |  |  | 33,384 |  |  |  | 102,083 |  |  |  | 88,329 |
Total net sales |  | $ | 153,792 |  |  | $ | 102,110 |  |  | $ | 375,026 |  |  | $ | 284,152 |
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] |
|  | September 30, 2022 |  |  | December 31, 2021 |
Contract assets |  | $ | - |  |  | $ | - |
Contract liabilities |  | $ | 6,504 |  |  | $ | 9,200 |

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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 https://asc.fasb.org/extlink&oid=126920106&loc=SL49130551-203045 + Details
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- Definition Tabular disclosure of disaggregation of revenue into categories depicting how nature, amount, timing, and uncertainty of revenue and cash flows are affected by economic factor. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI https://asc.fasb.org/extlink&oid=126920106&loc=SL49130545-203045 + Details
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