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Major Classes of Assets and Liabilities (Detail) - USD ($)
Dec. 31, 2015
Dec. 31, 2014
Current assets:    
Receivables, net $ 353,000  
Total current assets 353,000 $ 184,000
Other assets 19,000  
Total assets 372,000  
Current liabilities:    
Accounts payable and accrued expenses 841,000  
Total current liabilities 841,000 $ 4,858,000
Long-term lease obligations 288,000  
Total liabilities $ 1,129,000