Inventory - Schedule of Inventory (Detail) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Artifacts	$ 5,361,389	$ 5,406,183
Packaging	78,738	85,133
Merchandise	745,445	401,072
Merchandise reserve	(371,332)	(371,332)
Total inventory	$ 5,814,240	$ 5,521,056