Commitments and Contingencies - Employment Agreements (Details) $ / shares in Units, $ in Thousands								12 Months Ended
	Nov. 11, 2014 installment $ / shares shares	Oct. 03, 2014 employee	May. 26, 2009 installment $ / shares shares	May. 26, 2009 $ / shares	Oct. 23, 2007 $ / shares shares	Feb. 04, 2007 shares	Jun. 01, 2005	Dec. 31, 2015 USD ($) $ / shares shares	Dec. 31, 2014 $ / shares shares
Share Based Compensation Arrangement
Number of options granted (in shares)								60,000	200,000
Weighted average exercise price of vested options (in dollars per share) | $ / shares								$ 3.45
Stock issued per options exercise (in shares)									300
Mr. Rami S. Ramadan
Share Based Compensation Arrangement
Options term						7 years
Number of options granted (in shares)						50,000
Weighted average exercise price of vested options (in dollars per share) | $ / shares								$ 3.33	$ 3.20
Stock issued per options exercise (in shares)								0
Mr. Rami S. Ramadan | 2004 Equity Incentive Plan
Share Based Compensation Arrangement
Options term					7 years
Number of options granted (in shares)					125,000
Exercise price (per share) | $ / shares				$ 5.05	$ 4.85
Mr. Rami S. Ramadan | 2014 Equity Incentive Plan
Share Based Compensation Arrangement
Options term	5 years
Number of options granted (in shares)	200,000
Exercise price (per share) | $ / shares	$ 3.20							$ 3.33
Number of equal parts in which options will vest | installment	4
Number of shares vested immediately upon grant date	50,000
Number of shares that will vest upon the anniversary of the grant date	50,000
Percent increase in grant date stock price	4.00%
Number of options that have vested and are exercisable								100,000
Mr. Rami S. Ramadan | Employment agreements
Commitments and Contingencies
Perpetually renewable employment term								1 year
Annual compensation pursuant to the employment agreement | $								$ 450
Number of days prior to a Change of Control								120 days
Number of months after a Change of Control								24 months
Period after termination where the Company will pay certain terms and conditions								2 years
Mr. Rami S. Ramadan | Employment agreements | Performance shares
Share Based Compensation Arrangement
Shares to be granted, total								75,000
Shares granted, allotment								25,000
Shares vested								0
Director of Development | Employment agreements
Commitments and Contingencies
Perpetually renewable employment term							3 years
Severance payment based on number of years of current annual base pay							1 year
Notice period required to notify employee that employment agreement will not be renewed							60 days
Automatic renewal period of employment agreement							3 years
Severance payment if employment agreement is not renewed							3 months
Change of control agreements
Severance payment based on number of years of current annual base pay							1 year
KMEs | 2004 Equity Incentive Plan
Share Based Compensation Arrangement
Options term			7 years
Number of options granted (in shares)			410,000
Exercise price (per share) | $ / shares			$ 3.50
Number of equal parts in which options will vest | installment			4
KMEs | Change of control severance agreements
Commitments and Contingencies
Severance payment based on number of years of current annual base pay		1 year
Change of control agreements
Number of KME's with change of control severance agreements | employee		4
Severance payment based on number of years of current annual base pay		1 year
Term of health insurance coverage included in severance agreement		1 year
Time period in which an employee can voluntarily terminate employment after a change of control event and still receive salary and health insurance benefits		1 year