Condensed Consolidated Statement of Cash Flows - USD ($)	6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018
Cash flows from operating activities:
Net loss	$ (1,462,444)	$ (1,987,005)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	6,301	1,879
Amortization of intangible assets	72,562	294,632
Bad debt expense (benefit)	(54,000)
Interest income on short-term investment		(4)
Stock-based compensation	339,361	165,314
Changes in operating assets and liabilities:
Accounts receivable	351,820	778,191
Cost and estimated earnings in excess of billings on uncompleted contracts	239,524	(70,217)
Prepaid expenses and other current assets	756,393	(52,436)
Accounts payable and accrued expenses	(846,261)	(159,237)
Billings in excess of costs and estimated earnings on uncompleted contracts	(1,150,458)	(847,580)
Net cash used in operating activities	(1,747,202)	(1,876,463)
Cash flows provided by investing activities:
Proceeds from short-term investment		30,037
Purchase of property, plant and equipment		(3,784)
Net cash used in investing activities		26,253
Cash flows from financing activities:
Proceeds from public stock offering, net of issuance costs	552,709
Net cash provided by financing activities	552,709
Net decrease in cash and cash equivalents	(1,194,493)	(1,850,210)
Cash and cash equivalents - beginning of period	1,368,395	4,870,824
Cash and cash equivalents - end of period	173,902	3,020,614
Supplemental disclosure of non-cash investing and financing activities:
Non cash conversion of salary liability to restricted stock units	$ 108,629