Contingencies (Details) (Breach of agreements, USD $) In Thousands, unless otherwise specified	0 Months Ended
	Apr. 16, 2013 acre
Breach of agreements
Contingencies
Severance compensation, period	18 months
Estimated aggregate value of claimed severance benefits, minimum	$ 350
Estimated aggregate value of claimed severance benefits, maximum	400
Amount as a percentage of value of land that Mr. Asherman seeks to have in the matter	50.00%
Area of land	1.66
Value of land that Mr. Asherman seeks to have in the matter	$ 380