Accounts Receivable (Narrative) (Details) (USD $) In Thousands, unless otherwise specified	1 Months Ended	12 Months Ended				12 Months Ended
	Jun. 30, 2011	Dec. 31, 2011	Dec. 31, 2008	Dec. 31, 2011 Wholesale Distribution Channel [Member]	Dec. 31, 2010 Wholesale Distribution Channel [Member]	Dec. 31, 2011 Oravig [Member]	Dec. 31, 2011 Zuplenz [Member]	Dec. 31, 2011 Maximum [Member]	Dec. 31, 2011 Minimum [Member]
Accounts Receivable [Line Items]
Net product sales, percentage		58.00%		60.00%	61.00%
Process period for accounts receivable reserves and allowances, except for product returns allowance, in months								4	2
Shelf-lives of products sold, in months								48	12
Percentage of cash discounts to customers		2.00%
Invoice period for customers to avail cash discount, days								90	30
Revenues						$ 2,426	$ 873
Deferred revenues						$ 153	$ 435
Workforce eliminated	90		190