CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Operating activities:
Net income (loss)	$ 1,737	$ (3,498)	$ (3,669)
Adjustments to reconcile net income (loss) to cash provided by (used in) operating activities:
Stock-based compensation	0	50	0
Dividends of preferred stock as interest expense	3,822	3,843	3,890
Depreciation and amortization	3,028	1,999	2,898
Provision for inventory obsolescence	30	73	215
Benefit for doubtful accounts receivable	(105)	(18)	(56)
Amortization of debt issuance costs	198	160	65
Deferred income tax provision (benefit)	77	(2,710)	192
Loss on disposal of fixed assets	3	4	0
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	(9,917)	(5,415)	14
Decrease (increase) in inventories	9,101	(10,041)	(866)
Decrease (increase) in deferred program expenses	1,828	(1,886)	548
(Increase) decrease in other current assets and other assets	(465)	1,086	1,824
(Decrease) increase in accounts payable and other accrued payables	(3,914)	10,376	3,722
Increase (decrease) in accrued compensation and benefits	1,626	(615)	3,316
(Decrease) increase in contract liabilities	(960)	5,173	1,434
Increase in other current liabilities	179	828	328
Cash provided by (used in) operating activities	6,268	(591)	13,855
Investing activities:
Capitalized software development costs	(1,649)	(1,481)	0
Purchases of property and equipment	(2,465)	(748)	(624)
Cash used in investing activities	(4,114)	(2,229)	(624)
Financing activities:
Proceeds from senior credit facilities	0	0	70,032
Repayments of senior credit facilities	0	0	(75,640)
Repayments of term loan	0	0	(3,200)
Decrease in book overdrafts	0	0	(1,083)
Proceeds from senior term loan	0	9,439	0
Redemption of senior preferred stock	0	(2,112)	0
Payments under capital lease obligations	(1,013)	(915)	(827)
Distributions to Telos ID Class B member - non-controlling interest	(1,669)	(3,651)	(1,912)
Cash (used in) provided by financing activities	(2,682)	2,761	(12,630)
Decrease in cash and cash equivalents	(528)	(59)	601
Cash and cash equivalents, beginning of the year	600	659	58
Cash and cash equivalents, end of year	72	600	659
Cash paid during the year for:
Interest	2,483	2,395	1,320
Income taxes	19	26	60
Noncash:
Dividends of preferred stock as interest expense	3,822	3,843	3,890
Debt issuance costs and prepayment of interest on senior term loan	0	1,561	0
Gain on extinguishment of subordinated debt	$ 0	$ 1,031	$ 0