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QUARTERLY FINANCIAL DATA (UNAUDITED) (Tables)
 12 Months Ended
Dec. 31, 2016
Quarterly Financial Information Disclosure [Abstract]  
Schedule of quarterly financial data
The results of any single quarter are not necessarily indicative of the Company’s results for the full year.  Earnings per share data is computed independently for each of the periods presented.  As a result, the sum of the earnings per share amounts for each quarter may not equal earnings per share for the year.
2016
First (1)
 
Second (2)
 
Third
 
Fourth (3)
Net sales
$
87,331

 
$
83,993

 
$
89,673

 
$
85,183

Gross profit (3)
$
16,230

 
$
15,535

 
$
15,846

 
$
12,192

Net (loss) income (1,2,3)
$
(1,759
)
 
$
(29,900
)
 
$
309

 
$
(3,757
)
Amounts per common share:
 
 
 
 
 
 
 
Net (loss) income
$
(0.14
)
 
$
(2.28
)
 
$
0.02

 
$
(0.29
)
Net (loss) income - assuming dilution
$
(0.14
)
 
$
(2.28
)
 
$
0.02

 
$
(0.29
)
 
 
 
 
 
 
 
 
2015
First (4)
 
Second (5)
 
Third (6)
 
Fourth (7)
Net sales
$
92,475

 
$
97,550

 
$
95,633

 
$
89,438

Gross profit (6,7)
$
17,197

 
$
18,770

 
$
16,626

 
$
16,193

Net (loss) income (4,5,6,7)
$
(1,465
)
 
$
378

 
$
34

 
$
(1,188
)
Amounts per common share:
 
 
 
 
 
 
 
Net (loss) income
$
(0.11
)
 
$
0.03

 
$
—

 
$
(0.09
)
Net (loss) income - assuming dilution
$
(0.11
)
 
$
0.03

 
$
—

 
$
(0.09
)

(1) Included in the net loss for the the first quarter of 2016 were $947 of restructuring expenses.

(2)
Included in the net loss for the the second quarter of 2016 was a $28,368 charge for goodwill and intangible asset impairment related to the Engineering Services reporting unit and $241 of restructuring expenses.


(3)
Gross profit in the fourth quarter of 2016 includes an unfavorable cumulative catch-up adjustment of $1,741 related to a long-term contract.

(4) Included in the net loss for the the first quarter of 2015 were $275 of restructuring expenses.

(5)
Included in the net income for the the second quarter of 2015 were $518 of restructuring expenses.

(6)
Gross profit in the third quarter of 2015 includes an unfavorable adjustment of $1,738 related to a long-term contract for which a forward loss reserve was established. Net income for the the third quarter of 2015 also included a net gain of $3,325 related to a legal settlement and $1,575 of restructuring expenses.

(7) Gross profit in the fourth quarter of 2015 includes an unfavorable cumulative catch-up adjustment of $1,010 related to a long-term contract. Net loss for the fourth quarter of 2015 also includes a restructuring benefit of $46.