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Description of business and summary of significant accounting policies - Additional Information (Details) (USD $)
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3 Months Ended | 6 Months Ended | |||||
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Jun. 30, 2014
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Jun. 30, 2013
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Mar. 31, 2013
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Jun. 30, 2014
segment
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Jun. 30, 2013
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Dec. 31, 2013
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Jan. 09, 2013
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| Debt Instrument [Line Items] | |||||||
| Number of Operating Segments | 1 | ||||||
| Loss on Contracts | $ 217,000 | $ 300,000 | |||||
| Advertising Expense | 13,000 | 13,000 | 61,000 | 42,000 | |||
| Allowance for Doubtful Accounts Receivable, Current | 33,000 | 33,000 | 103,800 | ||||
| Goodwill | 40,870 | 40,870 | 40,870 | 40,870 | |||
| Research And Development Arrangements With Government Agencies, Customer Funding To Offset Costs Incurred | 67,000 | ||||||
| Research and Development Arrangement, Contract to Perform for Others, Costs Incurred, Gross | $ 327,262 | ||||||
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Ilios
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| Debt Instrument [Line Items] | |||||||
| Noncontrolling Interest, Ownership Percentage by Parent | 65.00% | 65.00% | |||||
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Restricted stock | Ilios
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| Debt Instrument [Line Items] | |||||||
| Noncontrolling Interest, Ownership Percentage by Parent | 63.70% | 63.70% | |||||
| X | ||||||||||
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- Definition
Research And Development Arrangements With Government Agencies, Customer Funding To Offset Costs Incurred No definition available.
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| X | ||||||||||
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- Definition
Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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| X | ||||||||||
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- Definition
Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
Losses recognized in the current period on contracts which are expected to generate losses, which are probable and can be reasonably estimated, in a future period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Definition
The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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| X | ||||||||||
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- Definition
Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. No definition available.
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| X | ||||||||||
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- Definition
The amount of costs incurred under a research and development arrangement accounted for as a contract to perform research and development for others. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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