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Debt (Details Textual) - USD ($)		1 Months Ended			3 Months Ended		6 Months Ended
Debt (Details Textual) - USD ($)	Aug. 10, 2015	Jan. 17, 2017	Apr. 14, 2016	Jul. 31, 2015	Jun. 30, 2017	Mar. 31, 2017	Jun. 30, 2017	Jun. 30, 2016	Jul. 15, 2017	May 11, 2017	Dec. 31, 2016	Sep. 27, 2016	Aug. 12, 2016	Jul. 29, 2016	May 25, 2016
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 65,000,000
Conversion of Stock, Amount Converted							$ 480,000	$ 0
Business Acquisition, Percentage of Voting Interests Acquired				100.00%
Business Combination Conjunction Related Expenses				$ 4,900,000
Payments of Debt Issuance Costs				$ 4,700,000
Debt Instrument Convertible Extent Not Convertible Beneficial Ownership Percentage					9.99%		9.99%
Interest Payable					$ 9,210,839		$ 9,210,839				$ 7,648,776
PIK Notes SPA [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 67,145
Debt Instrument, Convertible, Conversion Price		$ 0.7589
Debt Instrument, Maturity Date		Jul. 15, 2021
Debt Instrument, Interest Rate, Stated Percentage		0.00%
Indenture Notes SPA [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 1,560,000
Debt Instrument, Convertible, Conversion Price		$ 0.7589
Debt Instrument, Maturity Date		Jul. 15, 2021
Debt Instrument, Interest Rate, Stated Percentage		6.00%
Indenture Common Stock SPA [Member]
Debt Instrument [Line Items]
Debt Conversion, Converted Instrument, Shares Issued		843,289
Debt Instrument, Convertible, Conversion Price		$ 0.5692
Debt Conversion, Converted Instrument, Amount		$ 16,000,000
Xspine [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period				6.00%
Line of Credit Facility, Maximum Borrowing Capacity										$ 15,000,000
New Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Expiration Date				Jul. 31, 2020
Line Of Credit Facility Loans Outstanding Payment Fee				7.50%
New Facility [Member] \| First Period [Member]
Debt Instrument [Line Items]
Debt Instrument Interest Rate Portion Payable In Cash				9.00%
Debt Instrument Interest Rate Portion Payable In Kind				14.00%
Debt Instrument Interest Rate Addition To Pik Portion				1.00%
Debt Instrument Interest Rate Pik Portion Subtraction				9.00%
New Facility [Member] \| Second Period [Member]
Debt Instrument [Line Items]
Debt Instrument Interest Rate Portion Payable In Cash				12.00%
Debt Instrument Interest Rate Portion Payable In Kind				14.00%
Debt Instrument Interest Rate Addition To Pik Portion				1.00%
Debt Instrument Interest Rate Pik Portion Subtraction				12.00%
Fourth Amendment To Amended And Restated Credit Agreement [Member] \| OrbiMed and ROS [Member]
Debt Instrument [Line Items]
Debt Instrument Additional Tranche Commitment														$ 1,000,000
Debt Instrument Additional Tranche Commitment Outstanding														$ 43,000,000
Sixth Amendement To Restated New Credit Faciltiy [Member]
Debt Instrument [Line Items]
Line Of Credit Facility Loans Outstanding Payment Fee Percentage												9.00%
Sixth Amendement To Restated New Credit Faciltiy [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Line Of Credit Facility Loans Outstanding Payment Fee Percentage												7.50%
Sixth Amendement To Restated New Credit Faciltiy [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line Of Credit Facility Loans Outstanding Payment Fee Percentage												9.00%
Seventh Amendement To Restated New Credit Faciltiy [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis							interest accrued on such interest from January 2, 2017 until paid at a rate equal to 14% plus the higher of the LIBO Rate (as defined in the New Facility) for the fiscal quarter ended on December 31, 2016, or 1%.
Line Of Credit Facility Minimum Expected Liquidity					500,000		$ 500,000
Seventh Amendement To Restated New Credit Faciltiy [Member] \| Xtant Medical Holdings and Subsidiaries [Member]
Debt Instrument [Line Items]
Line Of Credit Facility Minimum Expected Liquidity					5,000,000		$ 5,000,000
Twelfth Amendement To Restated New Credit Faciltiy [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis							interest accrued on such interest from April 1, 2017 until paid at a rate equal to 14% plus the higher of the LIBO Rate for the fiscal quarter ended on March 31, 2017, or 1%.
Interest Payable						$ 1,139,597
Debt Instrument, Minimum Revenue Base Covenant					$ 25,000,000	$ 20,000,000
Fifteenth Amendement To Restated New Credit Faciltiy [Member]
Debt Instrument [Line Items]
Debt Instrument, Description of Variable Rate Basis							interest accrued on such interest from July 1, 2017 until paid at a rate equal to 14% plus the higher of the LIBO Rate for the fiscal quarter ended on June 30, 2017, or 1%.
Interest Payable									$ 1,169,543.56
Convertible Notes Payable [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount				$ 52,000,000
Debt Instrument Purchase Of Additional Notes	$ 3,000,000
Conversion of Stock, Shares Converted				257.5163
Conversion of Stock, Amount Converted				$ 1,000
Debt Instrument, Convertible, Conversion Price				$ 3.88
Term Loan [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity				$ 42,000,000
Subsequent Event [Member] \| Seventh Amendement To Restated New Credit Faciltiy [Member]
Debt Instrument [Line Items]
Interest Payable									$ 1,147,329
Silicon Valley Bank [Member] \| Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity															$ 6,000,000
Silicon Valley Bank [Member] \| First Loan Modification Agreement [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity													$ 11,000,000
Convertible Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount			$ 2,238,166
Debt Instrument, Interest Rate During Period			6.00%
Conversion of Stock, Shares Converted			344.8276
Conversion of Stock, Amount Converted			$ 1,000
Debt Instrument, Convertible, Conversion Price			$ 2.90
Convertible Promissory Notes [Member] \| PIK Notes SPA [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		2,238,166
Convertible Promissory Notes [Member] \| Indenture Notes SPA [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount		$ 52,000,000