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Accounts Receivable | 12 Months Ended
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Dec. 31, 2015
Receivables [Abstract] |
Accounts Receivable |
3. | Accounts Receivable
(Table only in thousands) |  | 2015 |  |  | 2014 |
Trade receivables |  | $ | 12,800 |  |  | $ | 15,875 |
Contract receivables |  |  | 86,129 |  |  |  | 43,218 |
Allowance for doubtful accounts |  |  | (1,151 | ) |  |  | (699 | )
|  | $ | 97,778 |  |  | $ | 58,394 |
Balances billed, but not paid by customers under retainage provisions in contracts, amounted to approximately $2.3 million and $0.5 million at December 31, 2015 and 2014, respectively. Retainage receivables on contracts in progress are generally collected within a year after contract completion. Provision for doubtful accounts was approximately $0.7 million, $0.3 million and $0.1 million during 2015, 2014 and 2013, respectively, while accounts charged to (recovered from) the allowance were $0.2 million, $0.3 million and $(35,000) during 2015, 2014 and 2013, respectively.

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- Definition The entire disclosure for claims held for amounts due a entity, excluding financing receivables. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Includes disclosure for allowance for credit losses. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5066-111524 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.3,4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5162-111524 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(k)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=49124121&loc=d3e5074-111524 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 9 + Details
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- References No definition available. + Details
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