CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010
Current assets
Accounts receivable, reserve	$ 375	$ 358
Inventories, obsolescence reserve	$ 315	$ 319
Class A Common Stock [Member]
Telos stockholders' deficit
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	50,000,000	50,000,000
Common stock, shares issued (in shares)	35,906,461	33,588,901
Common stock, shares outstanding (in shares)	35,906,461	33,588,901
Class B Common Stock [Member]
Telos stockholders' deficit
Common stock, par value (in dollars per share)	$ 0	$ 0
Common stock, shares authorized (in shares)	5,000,000	5,000,000
Common stock, shares issued (in shares)	4,037,628	4,037,628
Common stock, shares outstanding (in shares)	4,037,628	4,037,628