Consolidated Statements of Cash Flow - USD ($)	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Cash flow from operating activities
Net loss from continuing operations	$ (3,452,426)	$ (5,078,281)
Adjustments to reconcile net loss to net cash used in operating activities
Depreciation	293,954	206,335
Amortization	425,279	428,721
Share-based compensation expense	376,500	523,613
Amortization of debt discount	216,554	205,180
Loss on debt extinguishment		146,564
Gain on reversal of contingent acquisition consideration	(687,443)	(241,910)
(Recoveries on) provision for bad debt	(34,836)	49,358
Loss on disposal of equipment	718
Changes in operating assets and liabilities:
Accounts receivable	550,939	(519,346)
Prepaid expenses	97,389	292,220
Inventories	118,581	85,702
Deposits	347,565	(44,720)
Accounts payable and accrued expenses	673,266	1,883,920
Due to related parties		(6,191)
Net cash used in operating activities from continued operations	(1,073,960)	(2,068,835)
Net cash provided by operating activities from discontinued operations	69,826	503,531
Net cash used in operating activities	(1,004,134)	(1,565,304)
Cash flows from investing activities
Cash paid for noncontrolling interest in RS&T		(129,500)
Purchases of property, plant and equipment	(128,433)	(587,287)
Net cash used in investing activities from continuing operations	(128,433)	(716,787)
Net cash used in investing activities from discontinued operations	(43,199)	(147,963)
Net cash used in investing activities	(171,632)	(864,750)
Cash flows from financing activities
Repayment of notes payable	(304,310)	(1,140,826)
Repayment of capital lease obligations	(428,345)	(247,004)
Payment of contingent acquisition consideration	(6,642)	(69,910)
Proceeds from sale-leaseback		1,700,000
Proceeds from exercise of warrants		337,500
Proceeds for issuance of notes payable	2,100,000
Purchase of ESPP shares	20,326
Payments of debt issuance costs	(21,243)
Proceeds from the sale of Common Stock, net		541,779
Net cash provided by financing activities from continuing operations	1,359,786	1,121,539
Net cash used in financing activities from discontinued operations	(64,316)	(64,092)
Net cash provided by financing activities	1,295,470	1,057,447
Net change in cash and restricted cash	119,704	(1,372,607)
Cash and restricted cash at the beginning of the year	117,944	1,490,551
Cash and restricted cash at end of the year	237,648	117,944
Supplemental disclosure of cash flow information
Interest paid during the year	349,903	182,142
Income taxes paid during the year	19,716	14,921
Reconciliation of cash and restricted cash at end of period:
Cash	237,648	111,302
Restricted Cash		6,642
Reconciliation of cash and restricted cash at end of period	237,648	117,944
Supplemental disclosure of non-cash investing and financing activities
Acquisition of equipment with notes payable	74,600	116,655
Acquisition of equipment with capital lease obligations	196,712	1,700,000
Acquisition of equipment with capital lease obligation from discontinued operations	12,551
Note payable issued for insurance premium	65,875	242,866
Notes payable and accrued interest converted into shares of common stock		1,845,103
Relative fair value of warrants issued in connection with notes payable	279,054
Transfer of inventories to property, plant and equipment	$ 81,000