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Description of Business - Additional Information (Detail) - USD ($)
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Organization Consolidation And Presentation Of Financial Statements [Abstract]    
Place of incorporation Arizona  
Year of incorporation 2002  
Place of reincorporation Delaware  
Date of reincorporation 2015-03  
Accumulated deficit $ (226,485,000) $ (211,825,000)
Cash and cash equivalents 28,685,000 14,042,000
Net income (losses) (16,134,000) (6,026,000)
Net cash used in operations (25,868,000) (30,218,000)
Loss on sale of Arcadia Spain 497,000  
Impairments of property and equipment $ 1,400,000 $ 0