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Note 4 - Revenue From Contracts With Customers | 12 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Revenue from Contract with Customer [Text Block] |
( 4 ) | REVENUE FROM CONTRACTS WITH CUSTOMERS
The following tables provide additional information about our revenue from contracts with customers, including revenue by customer and product type and revenue by market. See also Note 15 for information about revenue by operating segment and geographic region.
|  | Years Ended December 31, |
|  | 2019 |  |  | 2018 |
Net revenues by customer type: |  |  |  |  |  |  |  |
End user |  | $ | 55,074 |  |  | $ | 68,093 |
OEM/Integrator |  |  | 5,586 |  |  |  | 10,470 |
|  | $ | 60,660 |  |  | $ | 78,563 |
Net revenues by product type: |  |  |  |  |  |  |  |
Thermal test |  | $ | 17,631 |  |  | $ | 23,654 |
Thermal process |  |  | 20,079 |  |  |  | 25,739 |
Semiconductor test |  |  | 16,273 |  |  |  | 21,445 |
Service/other |  |  | 6,677 |  |  |  | 7,725 |
|  | $ | 60,660 |  |  | $ | 78,563 |
Net revenues by market: |  |  |  |  |  |  |  |
Semi |  | $ | 30,953 |  |  | $ | 45,378 |
Industrial |  |  | 21,231 |  |  |  | 21,220 |
Defense/aerospace |  |  | 4,842 |  |  |  | 4,943 |
Telecommunications |  |  | 1,845 |  |  |  | 5,574 |
Other Multimarket |  |  | 1,789 |  |  |  | 1,448 |
|  | $ | 60,660 |  |  | $ | 78,563 |
Changes in the amount of the allowance for doubtful accounts for the years ended December 31, 2019 and 2018 are as follows:
Balance - January 1, 2018 |  | $ | 213 |
Bad debt expense |  |  | 20 |
Write-offs |  |  | - |
Balance - December 31, 2018 |  |  | 233 |
Bad debt expense |  |  | 3 |
Write-offs |  |  | (25 | )
Balance - December 31, 2019 |  | $ | 211 |

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- Definition The entire disclosure of revenue from contract with customer to transfer good or service and to transfer nonfinancial asset. Includes, but is not limited to, disaggregation of revenue, credit loss recognized from contract with customer, judgment and change in judgment related to contract with customer, and asset recognized from cost incurred to obtain or fulfill contract with customer. Excludes insurance and lease contracts. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 + Details
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