Note 2 - Finance Receivables (Tables)

9 Months Ended

Sep. 30, 2013

Note 2 - Finance Receivables (Tables) [Line Items]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Portfolio	Class
Term Loans
	Life Science	$	12,270
Royalty Purchases
	Life Science		7,909
Total		$	20,179
Less: current portion			(667	)
Total noncurrent portion of finance receivables		$	19,512

Schedule of Assumptions Used [Table Text Block]

Dividend rate	0	%
Risk-free rate	1	%
Expected life (years)	6.9
Expected volatility	27	%

Tribute Term Loan [Member]

Note 2 - Finance Receivables (Tables) [Line Items]

Schedule of Assumptions Used [Table Text Block]

Dividend rate	0	%
Risk-free rate	1	%
Expected life (years)	6.9
Expected volatility	98	%