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Nature of Business and Significant Accounting Policies (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Weighted Average Number of Shares Outstanding Reconciliation [Abstract] |  |  |  |  |  |  |  |  |  |  |
Basic weighted average common shares outstanding (in shares) |  |  |  |  |  |  |  |  | 5,329,208 | 5,282,047 | 5,232,055
Effect of dilutive options (in shares) |  |  |  |  |  |  |  |  | 14,059 | 27,815 | 35,802
Diluted weighted average shares outstanding (in shares) | 5,364,000 | 5,339,000 | 5,340,000 | 5,329,000 | 5,323,000 | 5,311,000 | 5,312,000 | 5,293,000 | 5,343,267 | 5,309,862 | 5,267,857
Concentration of Credit Risk [Abstract] |  |  |  |  |  |  |  |  |  |  |
Percentage of contracts with the government (in hundredths) |  |  |  |  |  |  |  |  | 99.00% | 99.00% | 99.00%
Deferred Compensation Plans [Abstract] |  |  |  |  |  |  |  |  |  |  |
Deferred compensation plan expense |  |  |  |  |  |  |  |  | $ 1,400,000 | $ 1,200,000 | $ 1,400,000
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of intangible assets |  |  |  |  |  |  |  |  | 11 years 4 months 24 days |  |
Akimeka, LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairment of intangible assets |  |  |  |  |  |  |  |  |  | 1,000,000 |
ICRC [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Impairment of intangible assets |  |  |  |  |  |  |  |  |  | 1,900,000 |
Goodwill impairment |  |  |  |  |  |  |  |  | $ 790,000 | $ 6,000,000 |
Contract-related [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Weighted average useful life of intangible assets |  |  |  |  |  |  |  |  | 11 years 9 months 18 days |  |
Trade Name [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Useful Life of intangible assets |  |  |  |  |  |  |  |  | 8 years 4 months 24 days |  |
Acquired Technologies [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Useful Life of intangible assets |  |  |  |  |  |  |  |  | 11 years |  |
Minimum [Member] | Contract-related [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Useful Life of intangible assets |  |  |  |  |  |  |  |  | 8 years |  |
Maximum [Member] | Contract-related [Member] |  |  |  |  |  |  |  |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Useful Life of intangible assets |  |  |  |  |  |  |  |  | 12 years |  |

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- Definition Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans). + References No definition available. + Details
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- Definition Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13854-109267 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13777-109266 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=14024403&loc=d3e13816-109267 + Details
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- Definition Additional shares included in the calculation of diluted EPS as a result of the potentially dilutive effect of share based payment arrangements using the treasury stock method. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 28A -URI http://asc.fasb.org/extlink&oid=7655603&loc=d3e1500-109256 + Details
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