CONDENSED CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Current assets
Cash and cash equivalents	$ 880	$ 600
Accounts receivable, net of reserve of $388 and $411, respectively (Note 1)	18,816	24,520
Inventories, net of obsolescence reserve of $927 and $1,484, respectively (Note 1)	3,145	13,520
Deferred program expenses	1,129	2,071
Other current assets	1,982	1,439
Total current assets	25,952	42,150
Property and equipment, net of accumulated depreciation of $27,148 and $25,841, respectively	16,796	16,344
Goodwill (Note 3)	14,916	14,916
Other assets	988	1,011
Total assets	58,652	74,421
Current liabilities
Accounts payable and other accrued payables (Note 5)	13,630	25,693
Accrued compensation and benefits	6,606	7,456
Contract liabilities (Note 5)	4,451	10,073
Capital lease obligations - short-term	1,063	1,013
Other current liabilities	1,393	1,990
Total current liabilities	27,143	46,225
Senior term loan, net of unamortized discount and issuance costs (Note 5)	10,881	10,786
Subordinated debt (Note 5)	2,441	2,289
Capital lease obligations	17,440	17,980
Deferred income taxes (Note 7)	766	741
Public preferred stock (Note 6)	133,476	131,565
Other liabilities (Note 7)	881	872
Total liabilities	193,028	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	25	32
Accumulated deficit	(139,562)	(141,370)
Total Telos stockholders' deficit	(135,149)	(136,950)
Non-controlling interest in subsidiary (Note 2)	773	913
Total stockholders' deficit	(134,376)	(136,037)
Total liabilities, redeemable preferred stock, and stockholders' deficit	$ 58,652	$ 74,421