Discontinued Operations (Details) (USD $)	12 Months Ended	197 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012
Reclassification of operating results from continuing operations to loss from discontinued operations
Gain on termination of distribution agreements	$ 1,192,000			$ 1,192,000
Income tax expense	337,000	0	0
(Loss) income from discontinued operations, net of tax	570,000	(640,000)	(1,131,000)	(12,146,000)
Current assets of discontinued operations:
Total current assets of discontinued operations	861,000	313,000		861,000
Current liabilities of discontinued operations:
Total current liabilities of discontinued operations	335,000	527,000		335,000
Xclair, Numoisyn Lozenges and Numoisyn Liquid
Reclassification of operating results from continuing operations to loss from discontinued operations
Product revenue	583,000	699,000	574,000	3,604,000
Cost of goods sold	(293,000)	(360,000)	(418,000)	(2,045,000)
Selling, general and administrative	(607,000)	(979,000)	(1,287,000)	(9,295,000)
Goodwill and intangible impairment				(5,187,000)
Interest income	32,000			32,000
Interest expense				(110,000)
Gain on termination of distribution agreements	1,192,000			1,192,000
(Loss) income from discontinued operations	907,000	(640,000)	(1,131,000)	(11,809,000)
Income tax expense	(337,000)			(337,000)
(Loss) income from discontinued operations, net of tax	570,000	(640,000)	(1,131,000)	(12,146,000)
Present value of minimum royalty payment arising from the termination and settlement agreement	900,000
Minimum royalty payments receivable	1,000,000			1,000,000
Period of royalty arrangement	3 years
Amount recognized on offsetting product return provision liability	300,000
Current assets of discontinued operations:
Inventory		182,000
Short-term portion of minimum royalty arrangement receivable, net	536,000			536,000
Returns indemnification receivable	325,000			325,000
Accounts receivable and other current assets		131,000
Total current assets of discontinued operations	861,000	313,000		861,000
Long-term assets of discontinued operations
Long-term portion of minimum royalty arrangement receivable, net	353,000			353,000
Total assets of discontinued operations	1,214,000	313,000		1,214,000
Current liabilities of discontinued operations:
Accounts payable	10,000	46,000		10,000
Returns provision	325,000	202,000		325,000
Accrued liabilities and other current liabilities		279,000
Total current liabilities of discontinued operations	$ 335,000	$ 527,000		$ 335,000

For the disposal group, including a component of the entity (discontinued operation), the aggregate of amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively and carrying amount of assets not otherwise specified in the taxonomy that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

No definition available.