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Fair Value Measurements (Details) (USD $)
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Sep. 30, 2014
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Dec. 31, 2013
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Business Combination, Contingent Consideration, Liability |
$ 4,476,000
|
|
| Available-for-sale Securities |
105,000
|
103,000
|
|
Carrying (Reported) Amount, Fair Value Disclosure [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Cash and Cash Equivalents, Fair Value Disclosure |
27,005,000
|
|
| Marketable Securities, Fair Value Disclosure |
1,650,000
|
|
|
Estimate of Fair Value, Fair Value Disclosure [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Cash and Cash Equivalents, Fair Value Disclosure |
17,814,000
|
|
|
Fair Value, Inputs, Level 1 [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Cash and Cash Equivalents, Fair Value Disclosure |
17,814,000
|
|
| Marketable Securities, Fair Value Disclosure |
1,650,000
|
|
|
Money Market Funds [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
48,000
|
|
|
Money Market Funds [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
48,000
|
|
|
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
48,000
|
|
|
Mutual Funds [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
57,000
|
|
|
Mutual Funds [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
57,000
|
|
|
Mutual Funds [Member] | Fair Value, Inputs, Level 1 [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
57,000
|
|
|
US Treasury Securities [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
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| Marketable Securities, Fair Value Disclosure |
1,304,000
|
|
|
US Treasury Securities [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
1,304,000
|
|
|
US Treasury Securities [Member] | Fair Value, Inputs, Level 1 [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
1,304,000
|
|
|
US Government Agencies Securities [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
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| Marketable Securities, Fair Value Disclosure |
241,000
|
|
|
US Government Agencies Securities [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
241,000
|
|
|
US Government Agencies Securities [Member] | Fair Value, Inputs, Level 1 [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Marketable Securities, Fair Value Disclosure |
241,000
|
|
|
Cash [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
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| Cash and Cash Equivalents, Fair Value Disclosure |
9,191,000
|
|
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Cash [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
|
|
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| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
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| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
|
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Cash [Member] | Fair Value, Inputs, Level 1 [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Cash and Cash Equivalents, Fair Value Disclosure |
0
|
|
|
Money Market Funds [Member] | Carrying (Reported) Amount, Fair Value Disclosure [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Cash and Cash Equivalents, Fair Value Disclosure |
17,814,000
|
|
|
Money Market Funds [Member] | Estimate of Fair Value, Fair Value Disclosure [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Cash and Cash Equivalents, Fair Value Disclosure |
17,814,000
|
|
|
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member]
|
|
|
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] |
|
|
| Cash and Cash Equivalents, Fair Value Disclosure |
$ 17,814,000
|
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