Consolidated Statements of Cash Flows (unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net income (loss)	$ 568	$ (937)
Adjustments to reconcile net income (loss) to net cash provided by operating activities, net of business acquisition:
Depreciation	7,329	3,249
Amortization of intangibles	3,636	190
Amortization of debt issue costs	358
Stock based compensation – options, restricted stock and warrants	2,337	1,020
Provision for bad debts	5,434	1,303
Changes in assets and liabilities, net of business acquisition:
(Increase) in accounts receivable, net of write-offs	(10,004)	(1,958)
(Increase) in inventories	(437)	(800)
(Increase) in prepaid expenses	(602)
(Increase) in other current assets		(129)
Increase (Decrease) in accounts payable and other liabilities	3,476	(41)
Net cash provided by operating activities	12,095	1,897
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of property and equipment	(3,425)	(1,180)
Net cash used in investing activities	(3,425)	(1,180)
CASH FLOWS FROM FINANCING ACTIVITIES
Repayment of revolving credit facility	(10,044)
Repayment of capital lease obligations/loans	(2,611)	(1,833)
Proceeds from the exercise of options, warrants and ESPP shares, net of transaction expenses	2,351	379
Net cash used in financing activities	(10,304)	(1,454)
Net change in cash and cash equivalents	(1,634)	(737)
Cash and cash equivalent, beginning of period	23,420	33,689
Cash and cash equivalents, end of period	21,786	32,952
Supplemental disclosure of cash flow information:
Interest paid	2,691	417
Income taxes paid	222	20
Supplemental disclosure of non-cash investing and financing information:
Equipment acquired under capital lease/loan obligations	2,585	$ 3,400
Deemed dividends on preferred stock	3,680
Amortization of preferred stock beneficial conversion feature	$ 7,453