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Unaudited Summarized Quarterly Financial Information | 12 Months Ended
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Dec. 31, 2016
Unaudited Summarized Quarterly Financial Information [Abstract] |
Unaudited Summarized Quarterly Financial Information | 17. Unaudited Summarized Quarterly Financial Information The following is a summary of the Company's unaudited quarterly results of operations:
| Year Ended December 31, 2016 | Year Ended December 31, 2015
|  | Dec. 31 |  | Sept. 30 |  | Jun. 30 | Mar. 31 |  | Dec. 31 |  | Sept. 30 |  | Jun. 30 |  | Mar. 31
| (Amounts and Shares in Thousands, Except Per Share Data)
Net service revenues |  | 103,657 |  | 103,502 |  | 100,927 |  | 92,602 |  | 84,760 |  | 84,331 |  | 85,809 |  | 81,915
Gross profit |  | 28,658 |  | 27,423 |  | 25,695 |  | 24,319 |  | 22,193 |  | 23,522 |  | 23,682 |  | 21,926
Operating income from |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
continuing operations |  | 7,693 |  | 2,495 |  | 4,394 |  | 653 |  | 3,015 |  | 4,284 |  | 5,098 |  | 3,627
Net income from continuing |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
operations |  | 7,471 |  | 1,699 |  | 2,600 |  | 157 |  | 3,051 |  | 2,887 |  | 3,253 |  | 2,162
Earnings from discontinued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
operations |  | 97 |  | — |  | — |  | — |  | 270 |  | — |  |  |  | —
Net income | $ | 7,568 | $ | 1,699 | $ | 2,600 | $ | 157 | $ | 3,321 | $ | 2,887 | $ | 3,253 | $ | 2,162
Average shares outstanding: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  | 11,383 |  | 11,367 |  | 11,361 |  | 11,022 |  | 11,007 |  | 11,007 |  | 10,989 |  | 10,947
Diluted |  | 11,494 |  | 11,417 |  | 11,385 |  | 11,178 |  | 11,220 |  | 11,247 |  | 11,212 |  | 11,612
Income per common share: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Basic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| $ | 0.66 | $ | 0.15 | $ | 0.23 | $ | 0.01 | $ | 0.28 | $ | 0.26 | $ | 0.30 | $ | 0.20
Discontinued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
operations |  | 0.01 |  | — |  | — |  | — |  | 0.02 |  | — |  | — |  | —
Basic net income per share | $ | 0.67 | $ | 0.15 | $ | 0.23 | $ | 0.01 | $ | 0.30 | $ | 0.26 | $ | 0.30 | $ | 0.20
Diluted net income per |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Continuing operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
| $ | 0.65 | $ | 0.15 | $ | 0.23 | $ | 0.01 | $ | 0.27 | $ | 0.26 | $ | 0.29 | $ | 0.19
Discontinued |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
operations |  | 0.01 |  | — |  | — |  | — |  | 0.02 |  | — |  | — |  | —
Diluted net income per |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
share | $ | 0.66 | $ | 0.15 | $ | 0.23 | $ | 0.01 | $ | 0.29 | $ | 0.26 | $ | 0.29 | $ | 0.19

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- Definition The entire disclosure for quarterly financial data. Includes, but is not limited to, tabular presentation of financial information for fiscal quarters, effect of year-end adjustments, and an explanation of matters or transactions that affect comparability of the information. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68076893&loc=d3e1570-108306 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e765-108305 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 270 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=68064558&loc=d3e725-108305 + Details
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