Condensed consolidated statements of operations and comprehensive loss - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2016	Mar. 31, 2015
Operating expenses
Research and development	$ 4,881	$ 4,567
General and administrative	1,953	1,472
Total operating expenses	6,834	6,039
Other income (expenses) (Note 6)	123	(373)
Net loss before income taxes	(6,711)	(6,412)
Net loss	$ (6,711)	$ (6,412)
Net loss per common stock - basic and diluted (Note 7)	$ (0.39)	$ (0.60)
Basic and diluted weighted average number of common stock outstanding	17,211,986	10,711,967
Comprehensive loss:
Net loss	$ (6,711)	$ (6,412)
Other comprehensive income - unrealized gain on available-for-sale securities	243	7
Comprehensive loss	$ (6,468)	$ (6,405)

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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