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Note 16 - Revenue | 12 Months Ended
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Dec. 31, 2018
Notes to Financial Statements |
Revenue from Contract with Customer [Text Block] |
1 6 . | REVENUE :
Net sales from continuing operations by geographic region, based on the location of the customer, were as follows (in thousands):
|  | Year Ended December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Net sales from continuing operations by geographic region: |  |  |  |  |  |  |  |  |  |  |  |
United States |  | $ | 161,415 |  |  | $ | 122,179 |  |  | $ | 137,411 |
Canada |  |  | 10,734 |  |  |  | 10,601 |  |  |  | 11,976 |
Total |  | $ | 172,149 |  |  | $ | 132,780 |  |  | $ | 149,387 |
No customer accounted for 10% or more of total Net sales from continuing operations for the years ended December 31, 2018 or 2017. One customer accounted for 28% of total Net sales from continuing operations for the year ended December 31, 2016. Revisions in contract estimates resulted in an increase (decrease) in revenue of $( 0.2 ) million, $( 0.2 ) million, and $1.7 million for the years ended December 31, 2018, 2017, and 2016, respectively. Contract Assets and Liabilities The difference between the opening and closing balances of the Company’s Contract assets and Contract liabilities primarily results from the timing difference between the Company’s performance and billings, and an increase due to the acquisition of Ameron of $12.0 million of Contract assets and $0.1 million of Contract liabilities. The changes in the Contract assets and Contract liabilities balances during the years ended December 31, 2018, 2017, and 2016 were not materially affected by any other factors. Revenue recognized that was included in the Contract liabilities balance at the beginning of each period was $2.6 million, $1.9 million, and $0.5 million during the years ended December 31, 2018, 2017, and 2016, respectively. Backlog Backlog represents the balance of remaining performance obligations under signed contracts. As of December 31, 2018, backlog was approximately $81.3 million. The Company expects to recognize approximately 83% of the remaining performance obligations in 2019 , 13% in 2020 , and the balance thereafter.

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -URI http://asc.fasb.org/topic&trid=49130388 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -URI http://asc.fasb.org/topic&trid=2122369 + Details
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