Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020
Assets
Cash	$ 10,758	$ 23,076
Accounts and other receivables, less allowance for credit losses of $2,964 in 2021 and $3,086 in 2020	87,230	110,575
Unbilled revenue	40,990	28,100
Prepaid expenses and other current assets	19,504	15,186
Assets held for sale	42,339	42,463
Total current assets	200,821	219,400
Property, plant and equipment	20,485	20,765
Accumulated depreciation	(16,195)	(16,115)
Property, plant and equipment, net	4,290	4,650
Operating lease right-of-use assets	19,025	20,862
Goodwill	120,187	120,589
Intangible assets, net	5,127	5,656
Other assets	9,290	10,619
Total assets	358,740	381,776
Liabilities and Stockholders’ Equity
Accounts payable and accrued expenses	75,724	91,572
Deferred revenue	19,583	16,509
Current portion of operating lease liabilities	5,049	5,523
Liabilities held for sale	7,487	5,868
Total current liabilities	107,843	119,472
Long-term debt	0	12,748
Long-term portion of operating lease liabilities	14,615	16,260
Other liabilities	9,686	9,950
Total liabilities	132,144	158,430
Stockholders’ equity:
Common stock, par value $0.01 per share	174	173
Additional paid-in capital	104,664	103,225
Retained earnings	140,020	138,296
Treasury stock at cost	0	(25)
Accumulated other comprehensive loss	(18,262)	(18,323)
Total stockholders’ equity	226,596	223,346
Total Liabilities and Stockholders' Equity	$ 358,740	$ 381,776