CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 415	$ 600
Accounts receivable, net of reserve of $300 and $411, respectively (Note 1)	26,262	24,520
Inventories, net of obsolescence reserve of $916 and $1,484, respectively (Note 1)	8,776	13,520
Deferred program expenses	290	2,071
Other current assets	2,330	1,439
Total current assets	38,073	42,150
Property and equipment, net of accumulated depreciation of $27,906 and $25,841, respectively	17,024	16,344
Goodwill (Note 3)	14,916	14,916
Other assets	961	1,011
Total assets	70,974	74,421
Current liabilities
Accounts payable and other accrued payables (Note 5)	19,885	25,693
Accrued compensation and benefits	6,713	7,456
Contract liabilities (Note 1 and 5)	4,464	10,073
Capital lease obligations - short-term	1,089	1,013
Other current liabilities	1,909	1,990
Total current liabilities	34,060	46,225
Senior term loan, net of unamortized discount and issuance costs (Note 5)	10,931	10,786
Subordinated debt (Note 5)	2,518	2,289
Capital lease obligations	17,154	17,980
Deferred income taxes (Note 7)	779	741
Public preferred stock (Note 6)	134,432	131,565
Other liabilities (Note 7)	883	872
Total liabilities	200,757	210,458
Commitments and contingencies (Note 8)
Telos stockholders' deficit
Common stock	78	78
Additional paid-in capital	4,310	4,310
Accumulated other comprehensive income	23	32
Accumulated deficit	(135,449)	(141,370)
Total Telos stockholders' deficit	(131,038)	(136,950)
Non-controlling interest in subsidiary (Note 2)	1,255	913
Total stockholders' deficit	(129,783)	(136,037)
Total liabilities, redeemable preferred stock, and stockholders' deficit	$ 70,974	$ 74,421