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Accounts Receivable and Contracts in Progress | 12 Months Ended
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Dec. 31, 2014
Accounts Receivable and Contracts in Progress [Abstract] |
Loans, Notes, Trade and Other Receivables Disclosure [Text Block] | Accounts receivable and contracts in progress Accounts receivable at December 31, 2014 and 2013, consists of the following:
| December 31,
| 2014 |  | 2013
Accounts receivable | $ | 64,004 |  |  | $ | 40,842 |
Unbilled receivables | 7,959 |  |  | 6,784 |
Total receivables | 71,963 |  |  | 47,626 |
Less: Allowance for doubtful accounts | (868 | ) |  | (1,060 | )
Accounts receivable, net | $ | 71,095 |  |  | $ | 46,566 |
The bad debt expense reflected in general and administrative expenses in the accompanying Consolidated Statements of Comprehensive Income for the years ended December 31, 2014, 2013 and 2012, totaled approximately $(0.1) million, $0.4 million and $(0.3) million, respectively. Activity related to contracts in progress at December 31, 2014 and 2013, is summarized as follows:
| December 31,
| 2014 |  | 2013
Costs and estimated earnings recognized to date | $ | 349,874 |  |  | $ | 221,905 |
Progress billings to date | (400,349 | ) |  | (260,372 | )
Total | $ | (50,475 | ) |  | $ | (38,467 | )
The foregoing table reflects the aggregate invoiced amount of all contracts in progress and maintenance as of the respective dates, including amounts that have already been collected. These amounts are included in the accompanying Consolidated Balance Sheets at December 31, 2014 and 2013, as follows:
| December 31,
| 2014 |  | 2013
Unbilled receivables | $ | 7,959 |  |  | $ | 6,784 |
Deferred revenue | (58,434 | ) |  | (45,251 | )
Total | $ | (50,475 | ) |  | $ | (38,467 | )
At December 31, 2014 and 2013, the Company had approximately $20.2 million and $11.4 million, respectively, in deferred maintenance and support revenue, which is reflected above within deferred revenue and progress billing.
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] | Accounts receivable at December 31, 2014 and 2013, consists of the following:
| December 31,
| 2014 |  | 2013
Accounts receivable | $ | 64,004 |  |  | $ | 40,842 |
Unbilled receivables | 7,959 |  |  | 6,784 |
Total receivables | 71,963 |  |  | 47,626 |
Less: Allowance for doubtful accounts | (868 | ) |  | (1,060 | )
Accounts receivable, net | $ | 71,095 |  |  | $ | 46,566 |

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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 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 Reference 3: 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=28368275&loc=d3e5074-111524 Reference 4: 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=28368275&loc=d3e5066-111524 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 9 Reference 6: 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 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph k -Article 4 Reference 8: 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=28368275&loc=d3e5162-111524 + Details
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- Definition Tabular disclosure of the various types of trade accounts and notes receivable and for each the gross carrying value, allowance, and net carrying value as of the balance sheet date. Presentation is categorized by current, noncurrent and unclassified receivables. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3, 4 -Article 5 + Details
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