Condensed Consolidated Balance Sheet - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 25,851	$ 26,770
Accounts receivable, net of allowance for doubtful accounts of $5,227 and $4,880, respectively	184,359	193,253
Unbilled revenue	51,166	46,474
Inventories	46,927	56,001
Prepaid expenses	14,245	16,982
Other current assets	36,188	34,106
Total current assets	358,736	373,586
Property and equipment, net	35,952	82,933
Intangibles and other assets:
Goodwill	152,181	152,158
Intangible assets, net	9,301	9,828
Total ending right of use asset - net:	39,391	0
Deferred income taxes	1,073	1,195
Other non-current assets	3,486	2,976
Total intangibles and other assets	205,432	166,157
Total assets	600,120	622,676
Current liabilities:
Accounts payable	149,813	158,449
Accrued expenses	31,339	35,474
Deferred revenue	20,945	17,614
Line of Credit, Current	138,923	142,736
Other current liabilities	31,493	26,231
Total current liabilities	372,513	380,504
Lease, Non-Current Liability	35,044	0
Deferred income taxes	8,268	8,178
Other non-current liabilities	1,986	50,903
Total liabilities	417,811	439,585
Commitments and contingencies
Stockholders' equity:
Common stock, par value $0.0001 per share, 200,000 and 200,000 shares authorized, 64,534 and 64,495 shares issued, and 51,845 and 51,807 shares outstanding, respectively	6	6
Additional paid-in capital	240,734	239,960
Treasury stock at cost, 12,688 and 12,688 shares, respectively	(81,471)	(81,471)
Accumulated other comprehensive loss	(23,562)	(24,309)
Retained earnings	46,602	48,905
Total stockholders' equity	182,309	183,091
Total liabilities and stockholders' equity	$ 600,120	$ 622,676