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STOCK BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2012

STOCK BASED COMPENSATION

Schedule of stock based compensation expense

		For the three months ended June 30,				For the six months ended June 30,
		2011		2012		2011		2012
		($000s)
Research and development		41		16		90		33
General and administrative		164		93		365		178
Stock-based compensation costs before income taxes		205		109		455		211

Schedule of stock option activity

		Options		Weighted Average Exercise Price			Weighted Average Remaining Contractual Term (years)		Aggregate Intrinsic Value
		.							($000s)
Options outstanding at December 31, 2011		3,515,741		$	3.73		6.44		140
Granted		235,000		$	0.47
Exercised		(77,062	)	$	0.44
Expired		—
Cancelled / forfeited		(112,315	)	$	1.37
Options outstanding at June 30, 2012		3,561,364		$	3.66		6.10		23
Unvested at June 30, 2012		620,385		$	1.31		8.86		—
Vested and exercisable at June 30, 2012		2,940,979		$	4.16		5.51		23

Schedule of assumptions for stock option grants to employees and directors

		For the six months ended June 30,
		2011		2012
Expected term		5 — 6 yrs.		6 yrs.
Risk free interest rate		1.47 — 2.29%		0.95%
Expected volatility		93 — 99%		98%
Expected dividend yield over expected term		—		—
Resulting weighted average grant fair value		$1.15		$0.36

Schedule of restricted stock activity

		Restricted Stock		Weighted Average Grant Date Value Per Share
Non-vested at December 31, 2011		11,450		$	0.44
Vested		(6,252	)	$	0.44
Non-vested at June 30, 2012		5,198		$	0.44

Schedule of restricted stock units activity

		Restricted Stock Units		Weighted Average Grant Date Value Per Share
Non-vested at December 31, 2011		255,175		$	0.80
Granted		85,974		$	0.55
Forfeited		(28,000	)	$	0.83
Vested		(9,378	)	$	0.44
Non-vested at June 30, 2012		303,771		$	0.74

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Tabular disclosure of the allocation of equity-based compensation costs to a given line item on the balance sheet and income statement for the period. This may include the reporting line for the costs and the amount capitalized and expensed.

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Tabular disclosure of the changes in outstanding nonvested shares.

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Tabular disclosure of the number and weighted-average grant date fair value for restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock units that were granted, vested, or forfeited during the year.

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Tabular disclosure of the number and weighted-average exercise prices (or conversion ratios) for share options (or share units) that were outstanding at the beginning and end of the year, vested and expected to vest, exercisable or convertible at the end of the year, and the number of share options or share units that were granted, exercised or converted, forfeited, and expired during the year.

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Tabular disclosure of the significant assumptions used during the year to estimate the fair value of stock options, including, but not limited to: (a) expected term of share options and similar instruments, (b) expected volatility of the entity's shares, (c) expected dividends, (d) risk-free rate(s), and (e) discount for post-vesting restrictions.

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