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Property and Equipment (Details) (USD $) In Thousands, unless otherwise specified | 12 Months Ended |
--- | --- | ---
Dec. 31, 2013 | Dec. 31, 2012
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Gross | $ 4,948 | $ 5,397
Less accumulated depreciation | (2,057) | (1,692)
Property and Equipment, Net | 2,891 | 3,705
Office furniture and equipment |  |
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Gross | 2,073 | 1,631
Office furniture and equipment | Minimum |  |
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Useful Life | 3 years |
Office furniture and equipment | Maximum |  |
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Useful Life | 7 years |
Rental inventory |  |
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Gross | 2,142 | 3,147
Property and Equipment, Useful Life | 5 years |
Vehicles |  |
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Gross | 76 | 76
Property and Equipment, Useful Life | 5 years |
Leasehold improvements |  |
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Gross | 486 | 375
Leasehold improvements | Minimum |  |
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Useful Life | 2 years |
Leasehold improvements | Maximum |  |
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Useful Life | 6 years |
Assembly equipment |  |
Property Plant And Equipment [Line Items] |  |
Property and Equipment, Gross | $ 171 | $ 168
Property and Equipment, Useful Life | 7 years |

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- Definition Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.14) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 14 -Article 5 + Details
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- Definition Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.13) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 13 -Subparagraph a -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 7 + 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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