F-15
The following table summarizes the estimated fair value of available-for-sale marketable securities by contractual maturity at
December 31, 2013:
Fair Value
Due within 1 year or less ............................................................................... $
6,248
Due within 1-2 years......................................................................................
9,538
Due within 2-3 years......................................................................................
4,218
$ 20,004
The following is a summary of available-for-sale marketable securities at December 31, 2012:
Amortized
Cost Basis
Gross
Unrealized
Gains
Gross
Unrealized
Losses
Estimated
Fair Value
Corporate bonds ......................................................................... $ 13,102 $
42 $
(3) $ 13,141
Mortgage-backed and asset-backed securities............................
1,732
3
(1)
1,734
Total marketable securities ............................................... $ 14,834 $
45 $
(4) $ 14,875
The following table summarizes the estimated fair value of available-for-sale marketable securities by contractual maturity at
December 31, 2012:
Fair Value
Due within 1 year or less ............................................................................... $
7,251
Due within 1-2 years......................................................................................
3,557
Due within 2-3 years......................................................................................
4,067
$ 14,875
6. Unbilled Receivables
Unbilled receivables consist of the excess of revenue earned in accordance with generally accepted accounting principles over
the amounts billed at contract milestones. Substantially all unbilled receivables are expected to be billed and collected within twelve
months.
7. Inventory
Inventory consisted of the following at December 31:
2013
2012
Component parts ..................................................................................... $
7,710 $
8,018
Finished goods ........................................................................................
2,180
3,066
Total inventory............................................................................... $
9,890 $ 11,084
8. Property and Equipment
Property and equipment consisted of the following at December 31:
2013
2012
Computer equipment .............................................................................. $ 59,499 $ 59,393
Computer software .................................................................................
38,097
49,088
Furniture and fixtures .............................................................................
3,648
3,457
Leasehold improvements........................................................................
9,097
8,265
Land .......................................................................................................
1,000
1,000
Vehicles..................................................................................................
82
117
Total property and equipment at cost............................................ 111,423 121,320
Less: accumulated depreciation and amortization.................................. (73,068) (72,050)
Net property and equipment ......................................................... $ 38,355 $ 49,270
