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Note 2 - Revenue Recognition (Tables) | 9 Months Ended
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Dec. 31, 2019
Notes Tables |
Disaggregation of Revenue [Table Text Block] |
|  | Three Months Ended December 31, 2019 |
|  | Sterilization and Disinfection Control |  |  | Instruments |  |  | Biopharmaceutical Development |  |  | Cold Chain Monitoring |  |  | Cold Chain Packaging |  |  | Total |
Discrete Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consumables |  | $ | 9,948 |  |  | $ | 781 |  |  |  | 1,941 |  |  | $ | 13 |  |  | $ | 229 |  |  | $ | 12,912 |
Hardware and Software |  |  | 95 |  |  |  | 6,881 |  |  |  | 2,571 |  |  |  | 2,562 |  |  |  | -- |  |  |  | 12,109 |
Services |  |  | 360 |  |  |  | 2,352 |  |  |  | 656 |  |  |  | 849 |  |  |  | -- |  |  |  | 4,217 |
Contracted Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services |  |  | 1,216 |  |  |  | -- |  |  |  | 469 |  |  |  | 732 |  |  |  | -- |  |  |  | 2,417 |
Total Revenues |  | $ | 11,619 |  |  | $ | 10,014 |  |  | $ | 5,637 |  |  | $ | 4,156 |  |  | $ | 229 |  |  | $ | 31,655 |
|  | Three Months Ended December 31, 2018 |
|  | Sterilization and Disinfection Control |  |  | Instruments |  |  | Biopharmaceutical Development |  |  | Cold Chain Monitoring |  |  | Cold Chain Packaging |  |  | Total |
Discrete Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consumables |  | $ | 9,853 |  |  | $ | 834 |  |  |  | -- |  |  | $ | 151 |  |  | $ | 1,868 |  |  | $ | 12,706 |
Hardware and Software |  |  | 110 |  |  |  | 6,417 |  |  |  | -- |  |  |  | 1,980 |  |  |  | 49 |  |  |  | 8,556 |
Services |  |  | 372 |  |  |  | 2,090 |  |  |  | -- |  |  |  | 534 |  |  |  | 135 |  |  |  | 3,131 |
Contracted Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services |  |  | 1,210 |  |  |  | -- |  |  |  | -- |  |  |  | 1,079 |  |  |  | -- |  |  |  | 2,289 |
Total Revenues |  | $ | 11,545 |  |  | $ | 9,341 |  |  | $ | -- |  |  | $ | 3,744 |  |  | $ | 2,052 |  |  | $ | 26,682 |
|  | Nine Months Ended December 31, 2019 |
|  | Sterilization and Disinfection Control |  |  | Instruments |  |  | Biopharmaceutical Development |  |  | Cold Chain Monitoring |  |  | Cold Chain Packaging |  |  | Total |
Discrete Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consumables |  | $ | 30,487 |  |  | $ | 2,364 |  |  |  | 1,941 |  |  | $ | 34 |  |  | $ | 2,415 |  |  | $ | 37,241 |
Hardware and Software |  |  | 429 |  |  |  | 19,282 |  |  |  | 2,571 |  |  |  | 6,374 |  |  |  | -- |  |  |  | 28,656 |
Services |  |  | 1,301 |  |  |  | 6,872 |  |  |  | 656 |  |  |  | 1,959 |  |  |  | 27 |  |  |  | 10,815 |
Contracted Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services |  |  | 3,606 |  |  |  | -- |  |  |  | 469 |  |  |  | 2,692 |  |  |  | -- |  |  |  | 6,767 |
Total Revenues |  | $ | 35,823 |  |  | $ | 28,518 |  |  | $ | 5,637 |  |  | $ | 11,059 |  |  | $ | 2,442 |  |  | $ | 83,479 |
|  | Nine Months Ended December 31, 2018 |
|  | Sterilization and Disinfection Control |  |  | Instruments |  |  | Biopharmaceutical Development |  |  | Cold Chain Monitoring |  |  | Cold Chain Packaging |  |  | Total |
Discrete Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consumables |  | $ | 29,478 |  |  | $ | 2,272 |  |  |  | -- |  |  | $ | 351 |  |  | $ | 5,139 |  |  | $ | 37,240 |
Hardware and Software |  |  | 487 |  |  |  | 18,039 |  |  |  | -- |  |  |  | 4,951 |  |  |  | 105 |  |  |  | 23,582 |
Services |  |  | 884 |  |  |  | 6,465 |  |  |  | -- |  |  |  | 1,507 |  |  |  | 277 |  |  |  | 9,133 |
Contracted Revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Services |  |  | 3,626 |  |  |  | -- |  |  |  | -- |  |  |  | 3,108 |  |  |  | -- |  |  |  | 6,734 |
Total Revenues |  | $ | 34,475 |  |  | $ | 26,776 |  |  | $ | -- |  |  | $ | 9,917 |  |  | $ | 5,521 |  |  | $ | 76,689 |
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] |
|  | Three Months Ended December 31, |  |  | Nine Months Ended December 31, |
|  | 2019 |  |  | 2018 |  |  | 2019 |  |  | 2018 |
United States |  | $ | 17,810 |  |  | $ | 17,003 |  |  | $ | 48,007 |  |  | $ | 49,167 |
Foreign |  |  | 13,845 |  |  |  | 9,679 |  |  |  | 35,472 |  |  |  | 27,522 |
Total revenues |  | $ | 31,655 |  |  | $ | 26,682 |  |  | $ | 83,479 |  |  | $ | 76,689 |
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 nine months ended December 31, 2019 |  |  | (4,432 | )
Contract liabilities added during the nine months ended December 31, 2019, net of revenues recognized |  |  | 6,834 |
Contract liabilities balance as of December 31, 2019 |  | $ | 6,828 |

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