Note 3 - Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2014

Accounting Policies [Abstract]

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

Gross-To-Net Sales Deductions
	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
Gross IGI product sales	$	5,770	$	2,114	$	10,795	$	4,380
Reduction to gross product sales:
Chargebacks and billbacks		1,884		562		3,468		1,222
Sales discounts and other allowances		504		175		1,001		365
Total reduction to gross product sales	$	2,388	$	737	$	4,469	$	1,588
Net IGI product sales	$	3,382	$	1,377	$	6,326	$	2,792