Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data	3 Months Ended		6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010	Jun. 30, 2011	Jun. 30, 2010
Condensed Consolidated Statements of Operations [Abstract]
Revenue	$ 4,914	$ 5,365	$ 9,001	$ 9,258
Cost of goods sold	3,497	3,894	6,584	6,979
Write-down of excess GABA inventory		178		178
Gross profit	1,417	1,293	2,417	2,101
Licensing revenue	7	8	12	18
Operating expenses:
Promotion and selling	1,873	1,078	3,153	2,302
General and administrative	1,313	1,745	2,793	3,428
Total operating expenses	3,186	2,823	5,946	5,730
Loss from operations	(1,762)	(1,522)	(3,517)	(3,611)
Other income (expense), net	6	(3)	78	(8)
Loss before income taxes	(1,756)	(1,525)	(3,439)	(3,619)
Income tax expense, net	(64)	(29)	(51)	(67)
Net loss	$ (1,820)	$ (1,554)	$ (3,490)	$ (3,686)
Net loss per share - basic and diluted	$ (0.06)	$ (0.06)	$ (0.11)	$ (0.14)
Weighted average basic and diluted common shares outstanding	31,990,645	26,451,211	31,724,816	26,439,596