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Quarterly Results (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2014
Quarterly Financial Information Disclosure [Abstract]  
Quarterly financial data
The operating results for any quarter are not necessarily indicative of the results to be expected for any future period. The quarterly results have been updated to conform with classifications adopted in 2014 that are described in Note 1.
 
 
2014 Quarter Ended
 
2013 Quarter Ended
 
 
Mar. 31
 
June 30
 
Sept. 30
 
Dec. 31
 
Mar. 31
 
June 30
 
Sept. 30
 
Dec. 31
 
 
(In thousands, except per share data)
Revenue
 
$
37,901

 
$
41,981

 
$
42,988

 
$
41,322

 
$
45,101

 
$
50,205

 
$
53,403

 
$
46,507

Operating expenses:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cost of revenue
 
28,832

 
29,944

 
28,681

 
28,502

 
31,538

 
32,522

 
31,803

 
30,239

Selling, general and administrative expenses
 
9,976

 
11,037

 
10,492

 
9,283

 
10,580

 
11,629

 
13,017

 
13,974

Depreciation of property and equipment
 
1,682

 
1,586

 
1,428

 
1,520

 
2,008

 
2,027

 
2,034

 
2,162

Amortization of intangible assets
 
903

 
902

 
895

 
831

 
1,276

 
1,332

 
1,204

 
1,185

Impairment charges
 
—

 
—

 
—

 
—

 
—

 
—

 
—

 
4,207

Total operating expenses
 
41,393

 
43,469

 
41,496

 
40,136

 
45,402

 
47,510

 
48,058

 
51,767

Operating income (loss)
 
(3,492
)
 
(1,488
)
 
1,492

 
1,186

 
(301
)
 
2,695

 
5,345

 
(5,260
)
Foreign currency transaction (gains) losses on short-term intercompany balances
 
15

 
(163
)
 
1,221

 
930

 
357

 
225

 
(636
)
 
41

Interest expense (income), net
 
54

 
(43
)
 
(44
)
 
(44
)
 
(217
)
 
53

 
75

 
12

Other (income) loss
 
—

 
—

 
—

 
57

 
—

 
—

 
—

 
—

Income (loss) before income taxes
 
(3,561
)
 
(1,282
)
 
315

 
243

 
(441
)
 
2,417

 
5,906

 
(5,313
)
Income tax expense
 
113

 
186

 
554

 
2,388

 
56

 
586

 
1,029

 
1,084

Net income (loss)
 
(3,674
)
 
(1,468
)
 
(239
)
 
(2,145
)
 
(497
)
 
1,831

 
4,877

 
(6,397
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic earnings (loss) per common share (1)
 
$
(0.12
)
 
$
(0.05
)
 
$
(0.01
)
 
$
(0.08
)
 
$
(0.02
)
 
$
0.06

 
$
0.17

 
$
(0.22
)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Diluted earnings (loss) per common share (1)
 
$
(0.12
)
 
$
(0.05
)
 
$
(0.01
)
 
$
(0.08
)
 
$
(0.02
)
 
$
0.06

 
$
0.16

 
$
(0.22
)
(1)
We calculate each quarter as a discrete period; the sum of the four quarters may not equal the calculated full-year amount.