CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Current assets (Note 6)
Cash and cash equivalents	$ 659	$ 58
Accounts receivable, net of reserve of $429 and $485, respectively (Note 5)	19,087	19,045
Inventories, net of obsolescence reserve of $1,672 and $1,457, respectively	3,552	2,901
Deferred program expenses	186	734
Other current assets	1,521	3,105
Total current assets	25,005	25,843
Property and equipment (Note 6)
Furniture and equipment	6,912	7,381
Leasehold improvements	2,399	2,418
Property and equipment under capital leases	30,829	30,829
Property and equipment, gross	40,140	40,628
Accumulated depreciation and amortization	(24,023)	(23,366)
Property and equipment, net	16,117	17,262
Goodwill (Note 3)	14,916	14,916
Other intangible assets (Note 3)	0	1,129
Other assets (Note 6)	761	814
Total assets	56,799	59,964
Current liabilities
Accounts payable and other accrued payables (Note 6)	15,317	12,678
Accrued compensation and benefits	8,071	4,755
Deferred revenue	4,900	3,466
Senior credit facility - short-term (Note 6)	0	1,400
Subordinated debt - short-term (Note 5)	3,029	0
Capital lease obligations - short-term	918	827
Other current liabilities	1,406	1,644
Total current liabilities	33,641	24,770
Senior revolving credit facility (Note 6)	0	7,144
Subordinated debt (Note 6)	0	2,500
Capital lease obligations (Note 10)	18,990	19,908
Deferred income taxes (Note 9)	3,391	3,199
Senior redeemable preferred stock (Note 7)	2,092	2,025
Public preferred stock (Note 7)	127,742	123,919
Other liabilities	919	882
Total liabilities	186,775	184,347
Commitments, contingencies and subsequent events (Notes 10 and 13)
Telos stockholders' deficit
Additional paid-in capital	3,229	3,229
Accumulated other comprehensive income	25	37
Accumulated deficit	(135,537)	(128,362)
Total Telos stockholders' deficit	(132,205)	(125,018)
Non-controlling interest in subsidiary (Note 2)	2,229	635
Total stockholders' deficit	(129,976)	(124,383)
Total liabilities, redeemable preferred stock, and stockholders' deficit	56,799	59,964
Class A Common Stock [Member]
Telos stockholders' deficit
Common stock	65	65
Total stockholders' deficit	65	65
Class B Common Stock [Member]
Telos stockholders' deficit
Common stock	13	13
Total stockholders' deficit	$ 13	$ 13