Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2018	Dec. 31, 2017
Assets
Cash	$ 14,134	$ 23,612
Accounts and other receivables, less allowance for doubtful accounts of $2,630 in 2018 and $2,492 in 2017	110,122	119,335
Unbilled revenue	45,527	42,958
Prepaid expenses and other current assets	14,664	14,212
Total current assets	184,447	200,117
Property, plant and equipment	20,410	21,466
Accumulated depreciation	(14,909)	(16,343)
Property, plant and equipment, net	5,501	5,123
Goodwill	172,975	144,835
Intangible assets, net	17,922	8,363
Other assets	8,250	6,569
Total assets	389,095	365,007
Liabilities and Stockholders’ Equity
Short-term borrowings	61,823	37,696
Current portion of long-term debt	12,000	12,000
Accounts payable and accrued expenses	72,893	78,280
Deferred revenue	18,694	22,356
Total current liabilities	165,410	150,332
Long-term debt	28,000	16,000
Other noncurrent liabilities	9,601	10,621
Total liabilities	203,011	176,953
Stockholders’ equity:
Common stock, par value $0.01 per share	172	172
Additional paid-in capital	107,372	107,256
Retained earnings	112,410	106,599
Treasury stock at cost	(16,074)	(11,118)
Accumulated other comprehensive loss	(17,796)	(14,855)
Total stockholders’ equity	186,084	188,054
Total Liabilities and Stockholders' Equity	$ 389,095	$ 365,007