Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 27, 2020	Jun. 29, 2019
Cash Flows from Operating Activities:
Net income (loss)	$ 1,169	$ (1,491)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation and amortization	205	177
Share-based compensation expense	132	32
Changes in current assets and liabilities:
Trade accounts receivable	1,569	2,022
Contract assets	(1,256)	985
Prepaids and other current assets	344	492
Accounts payable	(166)	(16)
Accrued compensation and benefits	977	192
Contract liabilities	(3,109)	2,046
Income taxes payable	219	(430)
Other current liabilities, net	(192)	(44)
Net cash provided by (used in) operating activities	(108)	3,965
Cash Flows from Investing Activities:
Proceeds from notes receivable	0	5
Property and equipment acquired	(126)	(72)
Net cash used in investing activities	(126)	(67)
Cash Flows from Financing Activities:
Purchase of common stock	0	(61)
Proceeds from PPP loan	4,925	0
Proceeds from revolving credit facility	1,445	0
Payments on finance leases	(42)	(1)
Net cash provided by (used in) financing activities	6,328	(62)
Net change in cash and cash equivalents	6,094	3,836
Cash at beginning of period	8,307	6,060
Cash at end of period	14,401	9,896
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	12	9
Right of use assets obtained in exchange for new operating lease liability	1,182	2,619
Cash paid during the period for income taxes (net of refunds)	86	0
Debt issuance costs	$ 131	$ 0