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Summary of Significant Accounting Policies (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 item | Dec. 31, 2013
Property and equipment |  |
Depreciation and amortization | $ 236 us-gaap_DepreciationDepletionAndAmortization | $ 147 us-gaap_DepreciationDepletionAndAmortization
Risk Concentration |  |
Number of major U.S. financial institutions with whom cash, cash equivalents and investments are maintained | 2 intz_NumberOfMajorUnitedStatesFinancialInstitutions |
Number of suppliers from whom certain components may be available | 1 intz_NumberOfSuppliers |
Accounts Receivable and Allowance for Doubtful Accounts |  |
Allowance for Doubtful Accounts Receivable | $ 0 us-gaap_AllowanceForDoubtfulAccountsReceivable | $ 0 us-gaap_AllowanceForDoubtfulAccountsReceivable
Equipment and furniture and fixtures | Minimum |  |
Property and equipment |  |
Estimated useful lives | 1 year |
Equipment and furniture and fixtures | Maximum |  |
Property and equipment |  |
Estimated useful lives | 5 years |
Leasehold improvements | Minimum |  |
Property and equipment |  |
Estimated useful lives | 2 years |
Leasehold improvements | Maximum |  |
Property and equipment |  |
Estimated useful lives | 5 years |

X
- Definition Represents the number of major U.S. financial institutions with whom cash, cash equivalents and investments are maintained by the entity. + References No definition available. + Details
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- Definition For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 4 -Article 5 Reference 2: 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=35738203&loc=d3e5074-111524 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.4) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + 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 + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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