Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Assets
Cash	$ 13,206	$ 8,159
Accounts and other receivables, less allowance for credit losses of $2,319 in 2020 and $1,132 in 2019	91,169	131,852
Unbilled revenue	39,256	57,229
Prepaid expenses and other current assets	21,690	19,115
Assets held for sale	25,128	0
Total current assets	190,449	216,355
Property, plant and equipment	23,579	23,746
Accumulated depreciation	(18,646)	(17,943)
Property, plant and equipment, net	4,933	5,803
Operating lease right-of-use assets	22,637	27,251
Goodwill	154,118	171,563
Intangible assets, net	6,125	16,344
Other assets	11,023	11,586
Total assets	389,285	448,902
Liabilities and Stockholders’ Equity
Accounts payable and accrued expenses	73,227	92,332
Deferred revenue	21,669	23,234
Current portion of operating lease liabilities	6,073	7,871
Liabilities held for sale	2,898	0
Total current liabilities	103,867	123,437
Long-term debt	43,750	82,870
Long-term portion of operating lease liabilities	19,325	22,159
Other noncurrent liabilities	13,353	10,522
Total liabilities	180,295	238,988
Stockholders’ equity:
Common stock, par value $0.01 per share	173	172
Additional paid-in capital	102,339	102,319
Retained earnings	129,849	131,228
Treasury stock at cost	(778)	(4,070)
Accumulated other comprehensive loss	(22,593)	(19,735)
Total stockholders’ equity	208,990	209,914
Total Liabilities and Stockholders' Equity	389,285	448,902
Allowance for Doubtful Accounts Receivable, Current	$ 2,319	$ 1,132