Stockholders' Deficit, Option Plans, and Employee Benefit Plan (Details) (USD $)	12 Months Ended										1 Months Ended				12 Months Ended	1 Months Ended					12 Months Ended					12 Months Ended
	Dec. 31, 2012 Vote	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2000 Plan	Dec. 31, 2012 Telos ID [Member]	Dec. 31, 2011 Telos ID [Member]	Dec. 31, 2010 Telos ID [Member]	Dec. 31, 2012 $0.50 to $0.99 [Member]	Dec. 31, 2011 $0.50 to $0.99 [Member]	Dec. 31, 2011 $3.85 to $4.00 [Member]	Mar. 31, 2006 1996 Stock Option Plan [Member]	Jun. 30, 2008 Telos Delaware Stock Incentive Plan [Member]	Jun. 30, 2008 Xacta Stock Incentive Plan [Member]	Jun. 30, 2008 Restricted Stock [Member]	Dec. 31, 2012 Restricted Stock [Member]	Jun. 30, 2008 Restricted Stock [Member] Executive Officers and Employees [Member]	Dec. 31, 2009 Restricted Stock [Member] Directors [Member]	Sep. 30, 2008 Restricted Stock [Member] Directors [Member]	Feb. 28, 2011 Restricted Stock [Member] Executive Officers, Directors and Employees [Member]	Mar. 31, 2012 Restricted Stock [Member] Employee [Member]	Dec. 31, 2004 Stock Options [Member] 1996 Stock Option Plan [Member]	Dec. 31, 1996 Stock Options [Member] 1996 Stock Option Plan [Member]	Dec. 31, 2012 Stock Options [Member] 1996 Stock Option Plan [Member]	Dec. 31, 2011 Stock Options [Member] 1996 Stock Option Plan [Member]	May 10, 2004 Stock Options [Member] 1996 Stock Option Plan [Member]	Dec. 31, 2012 Stock Options [Member] Telos Delaware Stock Incentive Plan [Member]	Dec. 31, 2011 Stock Options [Member] Telos Delaware Stock Incentive Plan [Member]	Dec. 31, 2010 Stock Options [Member] Telos Delaware Stock Incentive Plan [Member]	Dec. 31, 2000 Stock Options [Member] Telos Delaware Stock Incentive Plan [Member]	Dec. 31, 2012 Stock Options [Member] Xacta Stock Incentive Plan [Member]	Dec. 31, 2011 Stock Options [Member] Xacta Stock Incentive Plan [Member]	Dec. 31, 2010 Stock Options [Member] Xacta Stock Incentive Plan [Member]	Dec. 31, 2000 Stock Options [Member] Xacta Stock Incentive Plan [Member]
Common Stock [Abstract]
Number of votes per share	1
Restricted Stock Grants [Abstract]
Restricted stock issued during the period (in shares)														4,774,273			80,000	480,000	2,330,804	10,000
Additional restricted stock granted during the period (in shares)																7,141,501
Restricted stock vested on date of grant (in hundredths)															25.00%
Restricted stock vest on anniversary of the date of grant (in hundredths)															25.00%
Stock options exchanged for restricted stocks (in shares)											2,463,500	983,379	2,498,564
Stock Options [Abstract]
Number of stock option plans approved				2
Shares available for issuance (in shares)																						6,644,974			7,345,433				3,500,000				3,500,000
Term of stock options																						10 years							10 years				10 years
Vesting period of stock options	5 years																					4 years							5 years				5 years
Stock options expired (in shares)																										6,564	10,252	76,378		3,750	8,564	39,005
Additional shares authorized (in shares)																					700,459
Percentage of fair value of stock price (in hundredths)																													85.00%				85.00%
Percentage of stock options vesting each year (in hundredths)																													20.00%				20.00%
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at beginning of year (in shares)	30,000	55,000	174,000																				20,000	20,000		6,564				3,750
Granted (in shares)	0	0	0
Exercised (in shares)	0	0	0
Cancelled (in shares)	(10,000)	(25,000)	(119,000)																							0	(2,000)	(2,750)		0	(4,250)	(876)
Outstanding at end of year (in shares)	20,000	30,000	55,000																				20,000	20,000		0	6,564			0	3,750
Exercisable at end of year (in shares)	20,000	30,000	55,000
Cancelation of unissued options (in shares)											516,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at beginning of year (in dollars per share)	$ 1.33	$ 1.75	$ 2.48
Granted (in dollars per share)	$ 0	$ 0	$ 0
Exercised (in dollars per share)	$ 0	$ 0	$ 0
Cancelled (in dollars per share)	$ 2.72	$ 2.27	$ 2.81
Outstanding at end of year (in dollars per share)	$ 0.62	$ 1.33	$ 1.75
Exercisable at end of year (in dollars per share)	$ 0.62	$ 1.33	$ 1.75
Options Outstanding and Exercisable [Abstract]
Range of Exercise Prices, Lower Range (in dollars per share)								$ 0.50	$ 0.50	$ 3.85
Range of Exercise Prices, Upper Range (in dollars per share)								$ 0.99	$ 0.99	$ 4.00
Number Outstanding (in shares)								20,000	24,000	6,000
Options Outstanding, Weighted Remaining Contractual Life in Years								1 year 7 months 6 days	1 year 6 months	4 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)								$ 0.62	$ 0.64	$ 3.85
Number Exercisable (in shares)								20,000	24,000	6,000
Options Exercisable, Weighted Average Exercise Price (in dollars per share)								$ 0.62	$ 0.64	$ 3.85
Telos Shared Savings Plan [Abstract]
Shares held in defined contribution employee savings plan (in shares)	3,658,536
Employer matching percentage (in hundredths)	50.00%				50.00%
Maximum contribution percentage (in hundredths)	2.00%				2.00%
Annual vesting percentage (in hundredths)	20.00%
Contributions to the Plan	$ 649,000	$ 591,000	$ 786,000		$ 77,000	$ 69,000	$ 85,000