Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 500	$ (1,062)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation	11,550	4,971
Amortization of intangibles	5,454	283
Amortization of debt issue costs	532
Stock based compensation – options, restricted stock and warrants	4,024	1,907
Provision for bad debts	8,183	1,849
Changes in assets and liabilities, net of business acquisition:
(Increase) in accounts receivable, net of write-offs	(9,424)	(2,930)
(Increase) in inventories	(844)	(351)
(Increase) in prepaid expenses	(1,482)	(409)
(Increase) decrease in other current assets	(46)	12
Increase in accounts payable and other liabilities	3,271	2
Net cash provided by operating activities	21,718	4,272
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(5,328)	(1,682)
Net cash used in investing activities	(5,328)	(1,682)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayment of revolving credit facility	(10,044)
Repayment of term loan	(413)
Repayment of capital lease obligations/loans	(3,874)	(2,912)
Proceeds from the exercise of options, warrants and ESPP shares, net of transaction expenses	3,456	599
Net cash used in financing activities	(10,875)	(2,313)
Net change in cash and cash equivalents	5,515	277
Cash and cash equivalent, beginning of period	23,420	33,689
Cash and cash equivalents, end of period	28,935	33,966
Supplemental disclosure of cash flow information:
Interest paid	3,993	672
Income taxes paid	228	20
Supplemental disclosure of non-cash investing and financing information:
Equipment acquired under capital lease/loan obligations	4,907	$ 4,377
Deemed dividends on preferred stock	5,520
Amortization of preferred stock beneficial conversion feature	$ 11,180