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Stock Options and Awards (Tables)
12 Months Ended
Sep. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
The following table summarizes stock-based compensation expense in the Company's consolidated statements of operations:
 
Year ended
 
September 30, 2015
 
September 30, 2014
 
(Amounts in thousands)
Cost of sales
$
2

 
$

Engineering and development
22

 
25

Selling, general and administrative
351

 
336

Total
$
375

 
$
361

 
 
 
 
Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block]
The following tables provide summary data of stock option award activity:
 
Number
of Shares
 
Weighted
average
exercise
price
 
Weighted
Average
Remaining
Contractual
Term
 
Aggregate
Intrinsic
Value
(in thousands)
 
 
 
 
 
 
 
 
Outstanding at September 30, 2013
107,676

 
$
7.56

 

 

Granted

 

 

 

Expired
(12,500
)
 
$
7.48

 

 

Forfeited

 

 

 

Exercised
(3,050
)
 
5.02

 

 

Outstanding at September 30, 2014
92,126

 
$
7.66

 

 

Granted

 

 

 

Expired
(35,125
)
 
$
9.72

 

 

Forfeited

 

 

 

Exercised
(1,875
)
 
5.26

 

 

Outstanding at September 30, 2015
55,126

 
$
6.43

 
1.89 Years

 
$
32

Exercisable at September 30, 2015
54,813

 
$
6.45

 
1.86 Years

 
$
32

Vested and expected to vest at September 30, 2015
55,126

 
$
6.43

 
1.89 Years

 
$
32

Schedule of Nonvested Share Activity [Table Text Block]
The following table provides summary data of nonvested stock award activity:
 
 
Number of
nonvested
shares
 
Weighted
Average
grant date
Fair
Value
 
Weighted
Average
Remaining
Contractual
Term 
 
Aggregate
Intrinsic
Value 
(in thousands)
 
 
Nonvested shares outstanding at September 30, 2013
73,500

 
$
5.21

 
2.18 years

 
$
520

Activity in 2014:
 

 
 

 
 

 
 

Granted
107,750

 
$
7.72

 

 

Vested
(31,375
)
 
$
5.64

 

 

Forfeited
(500
)
 
7.67

 

 

Nonvested shares outstanding at September 30, 2014
149,375

 
$
6.92

 
2.45 Years

 
$
1,191

Activity in 2015:
 

 
 

 
 

 
 

Granted
57,500

 
$
5.05

 

 

Vested
(58,296
)
 
$
6.82

 

 

Forfeited
(18,122
)
 
7.38

 

 

Nonvested shares outstanding at September 30, 2015
130,457

 
$
6.08

 
2.12 Years

 
$
714

Vested at September 30, 2015
170,888

 
$
5.11

 
0.39 Years

 
$
935

Vested and expected to vest at September 30, 2015
301,345

 
$
5.53

 
1.14 Years

 
$
1,648