Debt (Tables)

6 Months Ended

Jun. 30, 2017

Debt Instrument [Line Items]

Summary of Lines of Credit

The following table summarizes the amounts outstanding under the Bio Reference, Chilean and Spanish lines of credit:

(Dollars in thousands)				Balance Outstanding
Lender	Interest rate on borrowings at June 30, 2017	Credit line capacity		June 30, 2017		December 31, 2016
JPMorgan Chase	2.74%	$	175,000	$	69,700	$	38,809
Itau Bank	5.50%	1,450		280		419
Bank of Chile	6.60%	2,500		2,486		1,619
BICE Bank	5.50%	2,000		1,151		1,538
BBVA Bank	5.50%	2,300		1,539		1,063
Estado Bank	5.50%	2,400		1,852		1,870
Santander Bank	5.50%	3,000		2,691		1,196
Scotiabank	5.00%	1,300		1,040		789
Corpbanca	5.00%	500		—		18
Banco Bilbao Vizcaya	2.90%	285		—		—
Santander Bank	2.75%	343		—		—
Total		$	191,078	$	80,739	$	47,321

Schedule of Debt

At June 30, 2017 and December 31, 2016, we had notes payable and other debt (excluding the 2033 Senior Notes, the Credit Agreement and amounts outstanding under lines of credit) as follows:

(In thousands)	June 30, 2017		December 31, 2016
Current portion of notes payable	$	3,679	$	3,681
Other long-term liabilities	2,068		2,090
Total	$	5,747	$	5,771

The following table sets forth information related to the 2033 Senior Notes which is included our Condensed Consolidated Balance Sheets as of June 30, 2017:

(In thousands)	Embedded conversion option			2033 Senior Notes		Discount			Debt Issuance Cost			Total
Balance at December 31, 2016	$	16,736		$	31,850	$	(4,612	)	$	(273	)	$	43,701
Amortization of debt discount and debt issuance costs	—			—		997			74			1,071
Change in fair value of embedded derivative	(10,014		)	—		—			—			(10,014		)
Balance at June 30, 2017	$	6,722		$	31,850	$	(3,615	)	$	(199	)	$	34,758

Notes

Debt Instrument [Line Items]

Inputs to Lattice Model Used to Value the Embedded Derivative

The following table sets forth the inputs to the lattice model used to value the embedded derivative:

	June 30, 2017
Stock price	$6.58
Conversion Rate	141.4827
Conversion Price	$7.07
Maturity date	February 1, 2033
Risk-free interest rate	1.32%
Estimated stock volatility	49%
Estimated credit spread	618 basis points

Fair Value of the Senior Notes With and Without the Embedded Derivatives and Fair Value of the Embedded Derivatives

The following table sets forth the fair value of the 2033 Senior Notes with and without the embedded derivatives, and the fair value of the embedded derivatives at June 30, 2017. At June 30, 2017 the principal amount of the 2033 Senior Notes was $31.9 million:

(In thousands)	June 30, 2017
Fair value of 2033 Senior Notes:
With the embedded derivatives	$	36,526
Without the embedded derivatives	$	29,804
Estimated fair value of the embedded derivatives	$	6,722