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Nature of Operations, Accounting Policies of Consolidated Financial Statements - Additional Information (Detail)
 3 Months Ended 12 Months Ended
Aug. 25, 2015
USD ($)
Mar. 20, 2015
USD ($)
Feb. 28, 2016
USD ($)
May. 31, 2015
USD ($)
Community
Facility
May. 31, 2014
USD ($)
Facility
Land
Vehicle
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Allowance for doubtful accounts       $ 536,000 $ 0
Accounts receivable       15,259,000 $ 16,259,000
Number of idle properties held for sale | Vehicle         2
Impairment of long-lived assets       0  
Interest paid       $ 339,000  
Number of idle facilities sold | Facility       1 2
Number of undeveloped land sold | Land         1
Percentage of increase in sales       24.00%  
Number of largest communities | Community       6  
Employee Severance [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Savings on employee termination       $ 630,000  
Home Sales [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Product warranty       15 months  
Park Models [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Percentage of increase in sales       103.00%  
Six Largest Communities [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Percentage of increase in sales       119.00%  
Modular Housing [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Percentage of decrease in sales       5.00%  
Mansfield, Texas [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Percentage of increase in sales       23.00%  
Building and Improvements [Member] | Minimum [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Estimated useful lives of property, plant and equipment       10 years  
Building and Improvements [Member] | Maximum [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Estimated useful lives of property, plant and equipment       30 years  
Machinery and Equipment [Member] | Minimum [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Estimated useful lives of property, plant and equipment       5 years  
Machinery and Equipment [Member] | Maximum [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Estimated useful lives of property, plant and equipment       8 years  
Secured Revolving Credit Facility [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Maximum borrowing capacity   $ 10,000,000      
Secured revolving credit facility term   3 years      
Credit facility, interest rate   3.75%      
Interest rate description       Loan advances bear interest at 3.75% in excess of The Wall Street Journal's published one year LIBOR rate  
Covenant compliance description       Subsequent to May 31, 2015, the Corporation on two occasions did not meet a covenant requiring a monthly loss not exceeding $500,000. In addition, at least one monthly loss exceeding $500,000 is projected during the third fiscal quarter of fiscal 2016; a period where net sales are at its lowest for the year.  
National Community Renaissance of California [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Accounts receivable       $ 536,000  
Percentage of increase in sales       12.00%  
Subsequent Event [Member] | Secured Revolving Credit Facility [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Monthly covenant loss maximum amount $ 500,000        
Scenario Forecast [Member] | Secured Revolving Credit Facility [Member]          
Nature Of Operations And Summary Of Significant Accounting Policies [Line Items]          
Monthly covenant loss maximum amount     $ 500,000