Basis of Presentation and Going Concern (Details) (USD $)	0 Months Ended	3 Months Ended								12 Months Ended			86 Months Ended		0 Months Ended
	Nov. 30, 2011	Dec. 31, 2012	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2012	Dec. 31, 2009	Jul. 14, 2008 Pawfect
Percentage of common stock acquired in Synergy-DE															100.00%
Reverse stock split ratio on authorized, issued and outstanding shares of common stock	0.5														37.845338
Accumulated deficit		$ 109,053,000				$ 69,609,000				$ 109,053,000	$ 69,609,000		$ 109,053,000
Net cash used in operating activities										31,125,000	21,231,000	11,454,000	74,207,000
Cash and cash equivalents		12,416,000				13,245,000				12,416,000	13,245,000	1,707,000	12,416,000	7,152,000
Available-for-sale securities		20,086,000								20,086,000			20,086,000
Net losses from operations		11,532,000	10,088,000	9,545,000	7,070,000	7,925,000	4,986,000	3,879,000	3,375,000	38,235,000	20,164,000	16,121,000	114,449,000
Net cash provided by financing activities										52,088,000	32,636,000	6,711,000	110,126,000
Working capital		$ 26,734,000								$ 26,734,000			$ 26,734,000