Quarterly report pursuant to Section 13 or 15(d)

Debt (Narrative) (Details)

v3.8.0.1
Debt (Narrative) (Details) - USD ($)
3 Months Ended
Oct. 30, 2017
Sep. 30, 2017
Sep. 30, 2016
Jun. 30, 2017
Oct. 07, 2016
Debt Instrument [Line Items]          
Line of credit amount outstanding   $ 603,000    
Proceeds from credit facility   603,000    
Western State Design [Member]          
Debt Instrument [Line Items]          
Proceeds from credit facility   12,600,000      
Credit facility [Member]          
Debt Instrument [Line Items]          
Revolving line of credit facility amount         $ 20,000,000
Fees, costs and expenses   $ 88,000      
Basis of variable interest rate   one-month LIBOR, plus      
Spread on variable interest rate basis   2.25%      
Expiration date   Oct. 10, 2021      
Amount available for borrowing under the Revolving Line of Credit   $ 15,000,000      
Available to borrow under the Revolving Line of Credit   $ 10,800,000      
Term Loan [Member]          
Debt Instrument [Line Items]          
Revolving line of credit facility amount         5,000,000
Spread on variable interest rate basis   2.85%      
Line of credit amount outstanding   $ 4,300,000      
Credit facility term   5 years      
Monthly payments   $ 60,000      
Revolving line of credit [Member]          
Debt Instrument [Line Items]          
Revolving line of credit facility amount         $ 15,000,000
Line of credit amount outstanding   600,000      
Revolving line of credit [Member] | Subsequent Event [Member]          
Debt Instrument [Line Items]          
Revolving line of credit facility amount $ 22,200,000        
Monthly payments $ 100,000        
Previous Credit facility [Member]          
Debt Instrument [Line Items]          
Revolving line of credit facility amount   $ 2,250,000