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Note 4 - Revenue From Contracts With Customers | 6 Months Ended
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Jun. 30, 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 11 for information about revenue by operating segment and geographic region.
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2019 |  |  | 201 8 |  |  | 201 9 |  |  | 201 8 |
Net revenues by customer type: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
End user |  | $ | 13,106 |  |  | $ | 18,173 |  |  | $ | 29,143 |  |  | $ | 34,502 |
OEM/Integrator |  |  | 1,246 |  |  |  | 2,924 |  |  |  | 3,271 |  |  |  | 5,466 |
|  | $ | 14,352 |  |  | $ | 21,097 |  |  | $ | 32,414 |  |  | $ | 39,968 |
Net revenues by product type: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Thermal test |  | $ | 4,282 |  |  | $ | 5,885 |  |  | $ | 9,249 |  |  | $ | 11,722 |
Induction heating |  |  | 4,321 |  |  |  | 5,937 |  |  |  | 10,072 |  |  |  | 11,559 |
Semiconductor test |  |  | 3,609 |  |  |  | 6,809 |  |  |  | 8,893 |  |  |  | 12,148 |
Service/other |  |  | 2,140 |  |  |  | 2,466 |  |  |  | 4,200 |  |  |  | 4,539 |
|  | $ | 14,352 |  |  | $ | 21,097 |  |  | $ | 32,414 |  |  | $ | 39,968 |
Net revenues by market: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Semi Market |  | $ | 7,641 |  |  | $ | 13,043 |  |  | $ | 17,752 |  |  | $ | 23,582 |
Industrial |  |  | 4,279 |  |  |  | 5,000 |  |  |  | 10,225 |  |  |  | 10,653 |
Telecommunications |  |  | 691 |  |  |  | 1,343 |  |  |  | 1,284 |  |  |  | 2,622 |
Other Multi Markets |  |  | 1,741 |  |  |  | 1,711 |  |  |  | 3,153 |  |  |  | 3,111 |
|  | $ | 14,352 |  |  | $ | 21,097 |  |  | $ | 32,414 |  |  | $ | 39,968 |
There was no change in the amount of the allowance for doubtful accounts for the six months ended June 30, 2019.

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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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