License and Consulting Agreements	12 Months Ended
Dec. 31, 2016
License And Consulting Agreements [Abstract]
License and Consulting Agreements	5. License and Consulting Agreements OsseoFix Spinal Fracture Reduction System License Agreement On April 16, 2009, the Company and Stout Medical Group LP (“Stout”) amended the license agreement that the parties had entered into in September 2007 (the “License Amendment”) that provides the Company with a worldwide license to develop and commercialize Stout’s proprietary intellectual property related to a treatment for vertebral compression fractures. The effective date of the License Amendment is March 31, 2009. Under the License Amendment, the timing of the minimum royalty payments has been adjusted and Stout’s ability to terminate the License Amendment was revised. Under the original license agreement, the Company’s minimum royalty obligation began in the year ending December 31, 2009 and there are milestones due upon attainment of sales volumes. Pursuant to the License Amendment, the minimum royalty obligation is suspended until a licensed product obtains regulatory approval from the United States Food and Drug Administration (the “FDA”). In addition, under the terms of the License Amendment, Stout has the ability to terminate the License Amendment if the Company is not using commercially reasonable efforts to obtain regulatory approval to market and sell a licensed product; provided that the Company has the right to delay such termination in exchange for making certain payments to Stout. If, during the time period when such payments are made, the Company were to make a regulatory filing for the marketing and sale of a licensed product, such termination will be null and void. Pursuant to the License Amendment, Stout is entitled to retain all up-front payments that had been previously paid to it. The other material terms of the license agreement were not changed in the License Amendment. In August 2014, the Company entered a third amendment (the “Third Amendment”) to the License Agreement. Pursuant to the Third Amendment: (i) the royalty rate paid by the Company for the net sales of licensed products is a fixed amount per quarter through December 31, 2016; (ii) the royalty rate starting in 2017 will be increased from 7.0% to 8.5%; (ii) starting in 2017, the minimum royalty obligation is $0.2 million per year, with such minimum royalty obligation being further reduced stating in 2018; (iii) the territory is amended so that the United States is removed from the territory in which the Company can sell and market licensed products; (iv) all obligations of the Company to pursue a clinical trial in the United States are deleted; and (v) all milestone payments based on the achievement of certain sales milestones are deleted. In connection with this amendment the Company reversed the $1.7 million accrual it had recorded for the sales milestone payment into cost of goods sold for the year ended December 31, 2014. Asset Purchase Agreement In July 2014, the Company entered into an asset purchase and product development services agreement (the "Asset Agreement") whereby the Company purchased rights to the conceptual design for an intervertebral implant device. The financial terms of the Agreement include payments in cash and the Company's common stock upon achievement of various milestones. The Company accounted for this arrangement as an asset acquisition. In the year ended December 31, 2014, the Company made cash payments totaling $0.2 million and issued 72,992 shares of the Company's common stock valued at $0.1 million. The Company recognized the cash and stock payments of $0.3 million as in-process research and development expense in the year ended December 31, 2014. Under the terms of the Asset Agreement as amended in 2015 the Company was obligated to pay $0.2 million cash compensation and issue 72,992 shares of the Company's common stocks valued at less than $0.1 million. The Company expensed $0.3 million as in-process research and development in the year ended December 31, 2015.

5. License and Consulting Agreements

OsseoFix Spinal Fracture Reduction System License Agreement

On April 16, 2009, the Company and Stout Medical Group LP (“Stout”) amended the license agreement that the parties had entered into in September 2007 (the “License Amendment”) that provides the Company with a worldwide license to develop and commercialize Stout’s proprietary intellectual property related to a treatment for vertebral compression fractures. The effective date of the License Amendment is March 31, 2009. Under the License Amendment, the timing of the minimum royalty payments has been adjusted and Stout’s ability to terminate the License Amendment was revised. Under the original license agreement, the Company’s minimum royalty obligation began in the year ending December 31, 2009 and there are milestones due upon attainment of sales volumes. Pursuant to the License Amendment, the minimum royalty obligation is suspended until a licensed product obtains regulatory approval from the United States Food and Drug Administration (the “FDA”). In addition, under the terms of the License Amendment, Stout has the ability to terminate the License Amendment if the Company is not using commercially reasonable efforts to obtain regulatory approval to market and sell a licensed product; provided that the Company has the right to delay such termination in exchange for making certain payments to Stout. If, during the time period when such payments are made, the Company were to make a regulatory filing for the marketing and sale of a licensed product, such termination will be null and void. Pursuant to the License Amendment, Stout is entitled to retain all up-front payments that had been previously paid to it. The other material terms of the license agreement were not changed in the License Amendment.

In August 2014, the Company entered a third amendment (the “Third Amendment”) to the License Agreement. Pursuant to the Third Amendment: (i) the royalty rate paid by the Company for the net sales of licensed products is a fixed amount per quarter through December 31, 2016; (ii) the royalty rate starting in 2017 will be increased from 7.0% to 8.5%; (ii) starting in 2017, the minimum royalty obligation is $0.2 million per year, with such minimum royalty obligation being further reduced stating in 2018; (iii) the territory is amended so that the United States is removed from the territory in which the Company can sell and market licensed products; (iv) all obligations of the Company to pursue a clinical trial in the United States are deleted; and (v) all milestone payments based on the achievement of certain sales milestones are deleted. In connection with this amendment the Company reversed the $1.7 million accrual it had recorded for the sales milestone payment into cost of goods sold for the year ended December 31, 2014.

Asset Purchase Agreement

In July 2014, the Company entered into an asset purchase and product development services agreement (the "Asset Agreement") whereby the Company purchased rights to the conceptual design for an intervertebral implant device. The financial terms of the Agreement include payments in cash and the Company's common stock upon achievement of various milestones. The Company accounted for this arrangement as an asset acquisition. In the year ended December 31, 2014, the Company made cash payments totaling $0.2 million and issued 72,992 shares of the Company's common stock valued at $0.1 million. The Company recognized the cash and stock payments of $0.3 million as in-process research and development expense in the year ended December 31, 2014. Under the terms of the Asset Agreement as amended in 2015 the Company was obligated to pay $0.2 million cash compensation and issue 72,992 shares of the Company's common stocks valued at less than $0.1 million. The Company expensed $0.3 million as in-process research and development in the year ended December 31, 2015.