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Note 3 - Trade Accounts Receivable | 12 Months Ended
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Dec. 31, 2019
Notes to Financial Statements |
Financing Receivables [Text Block] |
3. | TRADE ACCOUNTS RECEIVABLE
The Company's receivables result primarily from the sale of transportation and logistics services. The Company performs ongoing credit evaluations of its customers and generally does not require collateral for accounts receivable. Accounts receivable, which consist of both billed and unbilled receivables, are presented net of an allowance for doubtful accounts. Accounts outstanding longer than contractual payment terms are considered past due and are reviewed individually for collectability. Accounts receivable balances consist of the following components as of December 31, 2019 and 2018:
|  | 20 1 9 |  |  | 20 1 8 |
|  | ( i n thousands) |
Billed |  | $ | 57,495 |  |  | $ | 56,766 |
Unbilled |  |  | 7,241 |  |  |  | 8,808 |
Allowance for doubtful accounts |  |  | (2,952 | ) |  |  | (2,224 | )
Total accounts receivable—net |  | $ | 61,784 |  |  | $ | 63,350 |
An analysis of changes in the allowance for doubtful accounts for the years ended December 31, 2019, 2018, and 2017 follows:
|  | 20 1 9 |  |  | 20 1 8 |  |  | 20 1 7 |
|  | ( i n thousands) |
Balance—beginning of year |  | $ | 2,224 |  |  | $ | 1,335 |  |  | $ | 994 |
Provision for bad debts |  |  | 728 |  |  |  | 889 |  |  |  | 341 |
Charge-offs |  |  | - |  |  |  | - |  |  |  | - |
Recoveries |  |  | - |  |  |  | - |  |  |  | - |
Balance—end of year |  | $ | 2,952 |  |  | $ | 2,224 |  |  | $ | 1,335 |

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- Definition The entire disclosure for financing receivable. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -URI http://asc.fasb.org/subtopic&trid=2196772 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -URI http://asc.fasb.org/subtopic&trid=2196816 + Details
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