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Subsequent Events (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended			9 Months Ended
	Sep. 30, 2016	Jul. 31, 2015	Feb. 28, 2015	Oct. 31, 2013	Sep. 30, 2016	Sep. 30, 2015	Jul. 21, 2016	Dec. 31, 2015
Subsequent Event [Line Items]
Sale of common stock share		600,000	153,750	81,875
Sale of units to underwriter		600,000
Common stock, par value (in dollars per share)	$ 0.01				$ 0.01		$ 0.01	$ 0.01
Net proceeds from sale of stock and exercise of warrants					$ 704	$ 8,674
February 2015 Warrants [Member]
Subsequent Event [Line Items]
Number of warrants outstanding (in shares)	69,000				69,000
Warrants exercise price per share	$ 3.90				$ 3.90
Underwriting Agreement [Member]
Subsequent Event [Line Items]
Sale of common stock share	425,000
Sale of units to underwriter	425,000
Common stock, par value (in dollars per share)	$ 0.01				$ 0.01
Number of warrants outstanding (in shares)	148,750				148,750
Net proceeds from sale of stock and exercise of warrants	$ 1,100
Warrants expiration date	Oct. 05, 2021
Warrants exercise price per share	$ 3.00				$ 3.00
Underwriting Agreement [Member] | February 2015 Warrants [Member]
Subsequent Event [Line Items]
Adjusted exercise price of warrants	2.99				2.99
Underwriting Agreement [Member] | Series A Warrants [Member]
Subsequent Event [Line Items]
Adjusted exercise price of warrants	$ 2.99				$ 2.99

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- Definition

Adjusted exercise price per share or per unit of warrants outstanding.

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher SEC
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-Number 210
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Exercise price per share or per unit of warrants or rights outstanding.

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-Publisher FASB
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-Topic 235
-SubTopic 10
-Section S99
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