Consolidated Statement of Stockholders' Equity - 9 months ended Sep. 30, 2016 - USD ($) $ in Thousands	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Accumulated Comprehensive Deficit [Member]
BALANCE at Dec. 31, 2015	$ 14,026	$ 46	$ 224,867	$ (210,887)
BALANCE, Shares at Dec. 31, 2015	11,432,318	11,432
Non-cash compensation recognized on stock options and ESPP	$ 113		113
Restricted stock grants, net of cancellations	1,060		1,060
Restricted stock grants, net of cancellations, shares		366,000
Cancellation of shares for payment of withholding tax	(257)		(257)
Cancellation of shares for payment of withholding tax, shares		(99,000)
Employee stock purchase plan	13		13
Employee stock purchase plan, shares		7,000
Shares issued for iMM acquisition	1,736		1,736
Shares issued for iMM acquisition, shares		611,000
Effects of reverse stock split	(1)	$ (34)	33
Effects of reverse stock split, shares		(1,000)
Comprehensive loss	(11,298)			(11,298)
BALANCE at Sep. 30, 2016	$ 5,392	$ 12	$ 227,565	$ (222,185)
BALANCE, Shares at Sep. 30, 2016	12,316,479	12,316,000