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Debt (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | --- | ---
Mar. 11, 2016 | Jun. 30, 2016 | Mar. 31, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Dec. 31, 2015 | Sep. 26, 2014
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Notes Payable |  | $ 1,300,000 |  |  | $ 1,300,000 |  | $ 1,800,000 |
Debt Instrument, Maximum Payment To Lender Based On Receipt Of Proceeds From Eligible Events |  |  | $ 3,000,000 |  |  |  |  |
Debt Issuance Cost |  |  | $ (100,000) |  |  |  |  |
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Three |  | 400,000 |  |  | 400,000 |  |  |
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Four |  | 6,800,000 |  |  | 6,800,000 |  |  |
Long-term Debt and Capital Lease Obligations, Maturities, Repayments of Principal in Year Five |  | 3,000,000 |  |  | 3,000,000 |  |  |
Long-term Debt |  | 10,200,000 |  |  | 10,200,000 |  |  |
Interest expense |  | $ 200,000 |  | $ 300,000 | $ 500,000 | $ 600,000 |  |
Impaired Long-Lived Assets Held and Used, Asset Name [Domain] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Periodic Payment, Interest |  |  | 8.00% |  |  |  |  |
Long-term Debt [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum |  |  | 8.50% |  |  |  |  |
Aspire Capital Purchase Agreement [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Long-term Debt, Gross |  |  |  |  |  |  |  | $ 15,000,000
NeoStem, Inc. [Member] | Long-term Debt [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Debt Instrument, Payment Terms |  |  | 21 months |  |  |  |  |
Oxford Finance LLC [Member] |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |
Repayments of Debt | $ 7,000,000 |  |  |  |  |  |  |
Debt Instrument, Payment To Lender Based On Receipt Of Proceeds From Eligible Events, Percent |  |  | 20.00% |  |  |  |  |
Long-term Debt |  |  | $ 8,700,000 |  |  |  | $ 15,000,000 |
Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months |  |  | $ 5,000,000 |  |  |  |  |

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- Definition Amount of long-term debt before deduction of unamortized discount or premium. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt, with initial maturities beyond one year or the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 20 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 16 -Article 9 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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- Definition Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.12-04.(a)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24072-122690 + Details
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