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Note 2 - Revenue Recognition (Tables) | 6 Months Ended
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Sep. 30, 2019
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended September 30, 2019 |
|  | Sterilization and Disinfection Control |  |  | Instruments |  |  | Cold Chain Monitoring |  |  | Cold Chain Packaging |  |  | Total |
Discrete Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consumables |  | $ | 10,122 |  |  | $ | 563 |  |  | $ | 10 |  |  | $ | 877 |  |  | $ | 11,572 |
Hardware and Software |  |  | 148 |  |  |  | 5,923 |  |  |  | 1,821 |  |  |  | -- |  |  |  | 7,892 |
Services |  |  | 641 |  |  |  | 2,474 |  |  |  | 570 |  |  |  | 19 |  |  |  | 3,704 |
Contracted Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services |  |  | 1,183 |  |  |  | -- |  |  |  | 1,185 |  |  |  | -- |  |  |  | 2,368 |
Total Revenues |  | $ | 12,094 |  |  | $ | 8,960 |  |  | $ | 3,586 |  |  | $ | 896 |  |  | $ | 25,536 |
|  | Three Months Ended September 30, 2018 |
|  | Sterilization and Disinfection Control |  |  | Instruments |  |  | Cold Chain Monitoring |  |  | Cold Chain Packaging |  |  | Total |
Discrete Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consumables |  | $ | 9,093 |  |  | $ | 641 |  |  | $ | 127 |  |  | $ | 1,533 |  |  | $ | 11,394 |
Hardware and Software |  |  | 704 |  |  |  | 5,672 |  |  |  | 1,193 |  |  |  | -- |  |  |  | 7,569 |
Services |  |  | 291 |  |  |  | 2,391 |  |  |  | 698 |  |  |  | 96 |  |  |  | 3,476 |
Contracted Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services |  |  | 1,494 |  |  |  | -- |  |  |  | 932 |  |  |  | -- |  |  |  | 2,426 |
Total Revenues |  | $ | 11,582 |  |  | $ | 8,704 |  |  | $ | 2,950 |  |  | $ | 1,629 |  |  | $ | 24,865 |
|  | Six Months Ended September 30, 2019 |
|  | Sterilization and Disinfection Control |  |  | Instruments |  |  | Cold Chain Monitoring |  |  | Cold Chain Packaging |  |  | Total |
Discrete Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consumables |  | $ | 20,539 |  |  | $ | 1,583 |  |  | $ | 21 |  |  | $ | 2,186 |  |  | $ | 24,329 |
Hardware and Software |  |  | 334 |  |  |  | 12,401 |  |  |  | 3,812 |  |  |  | -- |  |  |  | 16,547 |
Services |  |  | 941 |  |  |  | 4,520 |  |  |  | 1,110 |  |  |  | 27 |  |  |  | 6,598 |
Contracted Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services |  |  | 2,390 |  |  |  | -- |  |  |  | 1,960 |  |  |  | -- |  |  |  | 4,350 |
Total Revenues |  | $ | 24,204 |  |  | $ | 18,504 |  |  | $ | 6,903 |  |  | $ | 2,213 |  |  | $ | 51,824 |
|  | Six Months Ended September 30, 2018 |
|  | Sterilization and Disinfection Control |  |  | Instruments |  |  | Cold Chain Monitoring |  |  | Cold Chain Packaging |  |  | Total |
Discrete Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consumables |  | $ | 18,663 |  |  | $ | 1,433 |  |  | $ | 191 |  |  | $ | 3,273 |  |  | $ | 23,560 |
Hardware and Software |  |  | 908 |  |  |  | 11,212 |  |  |  | 2,533 |  |  |  | -- |  |  |  | 14,653 |
Services |  |  | 642 |  |  |  | 4,790 |  |  |  | 1,241 |  |  |  | 196 |  |  |  | 6,869 |
Contracted Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services |  |  | 2,717 |  |  |  | -- |  |  |  | 2,208 |  |  |  | -- |  |  |  | 4,925 |
Total Revenues |  | $ | 22,930 |  |  | $ | 17,435 |  |  | $ | 6,173 |  |  | $ | 3,469 |  |  | $ | 50,007 |
Contract with Customer, Asset and Liability [Table Text Block] |
Contract liabilities balance as of March 31, 2019 |  | $ | 4,426 |
Prior year liabilities recognized in revenues during the six months ended September 30, 2019 |  |  | (3,516 | )
Contract liabilities added during the six months ended September 30, 2019, net of revenues recognized |  |  | 3,508 |
Contract liabilities balance as of September 30, 2019 |  | $ | 4,418 |

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