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Note 2 - Trade Accounts Receivable | 12 Months Ended
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Dec. 31, 2017
Notes to Financial Statements |
Financing Receivables [Text Block] |
2. | 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, 2017 and 2016:
|  | 20 1 7 |  |  | 20 1 6 |
|  | ( i n thousands) |
Billed |  | $ | 51,236 |  |  | $ | 48,538 |
Unbilled |  |  | 9,154 |  |  |  | 8,599 |
Allowance for doubtful accounts |  |  | (1,335 | ) |  |  | (994 | )
Total accounts receivable —net |  | $ | 59,055 |  |  | $ | 56,143 |
An analysis of changes in the allowance for doubtful accounts for the years ended December 31, 2017, 2016, and 2015 follows:
|  | 20 1 7 |  |  | 20 1 6 |  |  | 20 1 5 |
|  | ( i n thousands) |
Balance —beginning of year |  | $ | 994 |  |  | $ | 549 |  |  | $ | 1,611 |
Provision for bad debts |  |  | 341 |  |  |  | 445 |  |  |  | 151 |
Charge-offs |  |  | - |  |  |  | - |  |  |  | (1,231 | )
Recoveries |  |  | - |  |  |  | - |  |  |  | 18 |
Balance —end of year |  | $ | 1,335 |  |  | $ | 994 |  |  | $ | 549 |

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- Definition The entire disclosure for financing receivables. Examples of financing receivables include, but are not limited to, loans, trade accounts receivables, notes receivable, credit cards, and receivables relating to a lessor's right(s) to payment(s) from a lease other than an operating lease that is recognized as assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -URI http://asc.fasb.org/topic&trid=2196771 + Details
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