Debt (Tables)

9 Months Ended

Sep. 30, 2015

Debt Instrument [Line Items]

Schedule of principal amounts, unamortized discount and net carrying amounts

At September 30, 2015 and December 31, 2014, we had mortgage notes and other debt (excluding the 2033 Senior Notes, the Credit Facility and amounts outstanding under lines of credit) as follows:

(In thousands)	September 30, 2015		December 31, 2014
Current portion of notes payable	$	1,029	$	608
Other long-term liabilities	2,347		2,435
Total mortgage notes and other debt	$	3,376	$	3,043

The following table sets forth information related to the 2033 Senior Notes which is included our Condensed Consolidated Balance Sheets as of September 30, 2015:

(In thousands)	Embedded conversion option			2033 Senior Notes			Discount			Total
Balance at December 31, 2014	$	65,947		$	87,642		$	(22,135	)	$	131,454
Amortization of debt discount	—			—			2,176			2,176
Change in fair value of embedded derivative	31,818			—			—			31,818
Conversion	(78,797		)	(55,442		)	12,997			(121,242		)
Balance at September 30, 2015	$	18,968		$	32,200		$	(6,962	)	$	44,206

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 September 30, 2015	Credit line capacity	September 30, 2015	December 31, 2014
PNC Bank	3.50%	$120,000	$67,892	$—
Itau Bank	6.00%	1,800	980	965
Bank of Chile	5.50%	2,250	2,101	1,410
BICE Bank	6.16%	2,300	1,591	1,249
BBVA Bank	5.00%	2,300	1,418	795
Penta Bank	7.58%	290	289	1,008
Security Bank	6.16%	940	346	361
Estado Bank	5.30%	2,800	2,112	1,870
BBVA Bank	3.90%	281	—	—
Santander Bank	5.30%	2,000	750	—
Total		$134,961	$77,479	$7,658

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:

	September 30, 2015
Stock price	$8.41
Conversion Rate	141.4827
Conversion Price	$7.07
Maturity date	February 1, 2033
Risk-free interest rate	1.00%
Estimated stock volatility	49%
Estimated credit spread	1,411 basis points

Fair value of notes with and without the embedded derivatives and fair value of 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 September 30, 2015. At September 30, 2015 the principal amount of the 2033 Senior Notes was $32.2 million:

(In thousands)	September 30, 2015
Fair value of 2033 Senior Notes:
With the embedded derivatives	$	41,398
Without the embedded derivatives	$	22,430
Estimated fair value of the embedded derivatives	$	18,968