CONSOLIDATED BALANCE SHEETS (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2012	Dec. 31, 2011
Current assets
Accounts receivable, reserve	$ 319	$ 375
Inventories, obsolescence reserve	$ 416	$ 315
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)	35,908,961	35,906,461
Common stock, shares outstanding (in shares)	35,908,961	35,906,461
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