CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2018	Sep. 30, 2017
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 2,287	$ (4,944)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	11,477	11,739
Amortization of intangibles	4,255	5,201
Amortization of debt issue costs	392	330
Loss on disposal of assets	278	0
Loss on sale of Path Logic	0	1,058
Non-cash stock based compensation	5,148	5,812
Changes in assets and liabilities, net:
(Increase) in accounts receivable, net of write-offs	(2,267)	(7,890)
(Increase) decrease in inventories	644	(37)
(Increase) in prepaid expenses	(559)	(1,281)
(Increase) in other current assets	(1,749)	(238)
Increase in accounts payable, accrued and other liabilities	9,427	2,528
Net cash provided by operating activities	29,333	12,278
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(11,091)	(10,167)
Net cash used in investing activities	(11,091)	(10,167)
CASH FLOWS FROM FINANCING ACTIVITIES
Advances on revolving credit facility	10,000	2,496
Repayment of revolving credit facility	(35,400)	0
Redemption of preferred stock	(50,096)	0
Repayment of capital lease obligations, loans	(4,774)	(4,126)
Repayment of term loan	3,187	2,816
Proceeds from term loan	30,000	0
Payments of debt issue costs	576	0
Issuance of common stock, net	141,445	2,021
Net cash provided by (used in) financing activities	87,412	(2,425)
Effects of foreign exchange rate changes on cash and cash equivalents	(35)	0
Net change in cash and cash equivalents	105,619	(314)
Cash and cash equivalents, beginning of period	12,821	12,525
Cash and cash equivalents, end of period	118,440	12,211
Supplemental disclosure of cash flow information:
Interest paid	4,722	3,879
Income taxes paid (refunded), net	(76)	272
Supplemental disclosure of non-cash investing and financing information:
Purchase of customer list through issuance of restricted stock	0	4,466
Equipment acquired under capital lease/loan obligations	$ 7,569	$ 3,240