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Quarterly Results (Unaudited) (Tables)
 12 Months Ended
Dec. 31, 2013
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.
 
 
2013 Quarter Ended
 
2012 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
 
$
45,101

 
$
50,205

 
$
53,403

 
$
46,507

 
$
51,649

 
$
51,658

 
$
52,087

 
$
53,109

Operating expenses:
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Cost of revenue
 
30,407

 
31,521

 
30,876

 
29,741

 
34,218

 
33,312

 
32,461

 
34,399

Selling, general and administrative expenses
 
11,711

 
12,630

 
13,944

 
14,472

 
12,637

 
12,696

 
13,242

 
13,952

Depreciation of property and equipment
 
2,008

 
2,027

 
2,034

 
2,162

 
1,513

 
1,579

 
1,716

 
2,276

Amortization of intangible assets
 
1,276

 
1,332

 
1,204

 
1,185

 
2,327

 
1,459

 
1,431

 
2,007

Impairment charges
 
—

 
—

 
—

 
4,207

 
—

 
—

 
—

 
—

Total operating expenses
 
45,402

 
47,510

 
48,058

 
51,767

 
50,695

 
49,046

 
48,850

 
52,634

Operating income (loss)
 
(301
)
 
2,695

 
5,345

 
(5,260
)
 
954

 
2,612

 
3,237

 
475

Foreign currency transaction (gains) losses on short-term intercompany balances
 
357

 
225

 
(636
)
 
41

 
(339
)
 
497

 
(348
)
 
(187
)
Interest expense (income), net
 
(217
)
 
53

 
75

 
12

 
504

 
529

 
515

 
(582
)
Income (loss) before income taxes
 
(441
)
 
2,417

 
5,906

 
(5,313
)
 
789

 
1,586

 
3,070

 
1,244

Income tax expense (benefit)
 
56

 
586

 
1,029

 
1,084

 
497

 
584

 
505

 
(289
)
Net income (loss)
 
(497
)
 
1,831

 
4,877

 
(6,397
)
 
292

 
1,002

 
2,565

 
1,533

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Basic earnings (loss) per common share (1)
 
$
(0.02
)
 
$
0.06

 
$
0.17

 
$
(0.22
)
 
$
0.01

 
$
0.04

 
$
0.10

 
$
0.06

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Diluted earnings (loss) per common share (1)
 
$
(0.02
)
 
$
0.06

 
$
0.16

 
$
(0.22
)
 
$
0.01

 
$
0.04

 
$
0.10

 
$
0.06

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