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Inventory - Schedule of Inventory (Detail) (USD $)	Sep. 30, 2014	Dec. 31, 2013
Inventory Disclosure [Abstract]
Artifacts	$ 5,345,633	$ 5,406,183
Packaging	73,492	85,133
Merchandise	759,797	401,072
Merchandise reserve	(371,332)	(371,332)
Total inventory	$ 5,807,590	$ 5,521,056

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Artifacts.

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Inventory current and noncurrent net.

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Amount of valuation reserve for inventory.

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Carrying amount as of the balance sheet date of merchandise inventory purchased by a retailer, wholesaler or distributor and held for future sale.

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