Annual report pursuant to Section 13 and 15(d)

NATURE OF OPERATIONS AND ACCOUNTING POLICIES (Tables)

v3.3.1.900
NATURE OF OPERATIONS AND ACCOUNTING POLICIES (Tables)
 12 Months Ended
Dec. 31, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]  
Schedule of Deferred Revenues
Deferred revenues and related activity during the years ended December 31, 2015, 2014 and 2013 were as follows (in thousands):
 
 
2015
 
2014
 
2013
Balance at beginning of period
 
$
31,047

 
$
24,243

 
$
8,953

Revenues deferred during period
 
32,531

 
32,142

 
37,936

Revenues recognized during period
 
(21,446
)
 
(25,338
)
 
(22,646
)
Elimination due to consolidation
 
(42,132
)
 
—

 
—

Balance at end of period
 
$
—

 
$
31,047

 
$
24,243

Schedule of Allowance for Doubtful Accounts
Allowance for doubtful accounts for the years ended December 31, 2015, 2014 and 2013 were as follows (in thousands):
 
 
2015
 
2014
 
2013
Balance at beginning of period
 
$
1,955

 
$
3,101

 
$
2,668

Additional allowances charged to expense
 
1,058

 
254

 
764

Additional allowance due to consolidation
 
577

 
—

 
—

Recovery of previously reserved accounts
 
(124
)
 
(1,324
)
 
(306
)
Write-offs
 
(1,354
)
 
(76
)
 
(25
)
Foreign currency adjustments
 
(9
)
 
—

 
—

Balance at end of period
 
$
2,103

 
$
1,955

 
$
3,101

Schedule of Inventory Allowance
The following table is a roll forward of the allowance related to dormant, obsolete and excess inventory for the years ended December 31, 2015, 2014 and 2013 (in thousands):
 
 
2015
 
2014
 
2013
Balance at beginning of period
 
$
5,091

 
$
5,169

 
$
9,213

Increases (decreases) to allowance
 
(270
)
 
(78
)
 
(4,044
)
Balance at end of period
 
$
4,821

 
$
5,091

 
$
5,169

Schedule of Estimated Useful Life for New Property and Equipment
As of December 31, 2015, the estimated useful life (in years) of the Company’s categories of new property and equipment was as follows:
Helicopters (estimated salvage value at 40% of cost)
 
15

Machinery, equipment and spares
 
5-7

Buildings and leasehold improvements
 
10-30

Furniture, fixtures, vehicles and other
 
3-5