Condensed Consolidated Statements of Cash Flows - USD ($)	9 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net loss	$ (688,616)	$ (1,064,437)
Adjustments to reconcile net loss to net cash provided by operating activities:
Depreciation and amortization of property and equipment	397,095	298,973
Amortization of intangible assets	543,292	457,265
Amortization of other assets	32,219	56,433
Amortization of capital lease assets	253,194	188,950
Loss (gain) on sale of property and equipment	2,177	(7,002)
Stock-based compensation expense	185,306	211,747
Change in allowance for doubtful accounts receivable	(280,800)	(1,561)
Change in allowance for inventory obsolescence	(58,268)	162,528
Amortization deferred gain on sale/leaseback	(112,836)	(112,836)
Deferred income taxes	236,829	0
Change in fair value of earn-out liability	(375,000)	0
Change in operating assets and liabilities:
Trade accounts receivable	1,285,182	324,838
Inventories	(411,918)	(1,017,052)
Prepaid expenses	72,070	(124,079)
Other assets	(15,692)	(16,181)
Income tax receivable	35,518	(3,896)
Accounts payable and accrued expenses	452,212	750,894
Net cash provided by operating activities	1,551,964	104,584
Cash flows from investing activities:
Purchase of property and equipment	(124,804)	(131,040)
Net cash paid in acquisitions	0	(9,063,017)
Proceeds from sale of property and equipment	0	12,160
Net cash used in investing activities	(124,804)	(9,181,897)
Cash flows from financing activities:
Principal payments on long-term debt	(122,035)	(106,840)
Principal payments on long-term capital lease	(181,609)	(144,345)
Payment of acquisition holdbacks	(912,845)	(294,744)
Net change in line of credit	(1,492,532)	4,370,755
Proceeds from issuance of preferred stock, net	0	6,600,121
Preferred stock dividends paid in cash	0	(104,884)
Net cash (used in) provided by financing activities	(2,709,021)	10,320,063
Net change in cash and cash equivalents	(1,281,861)	1,242,750
Cash and cash equivalents at beginning of the period	1,696,116	254,705
Cash and cash equivalents at end of the period	414,255	1,497,455
Supplemental disclosure of cash flow information:
Cash paid for interest	392,039	284,437
Supplemental disclosure of non-cash investing and financing activity:
Deemed dividend on convertible preferred stock and accretion of discount	0	1,023,786
Preferred stock dividends paid or to be paid in common stock	586,145	578,178
Inventory reclassified to demonstration equipment	239,106	0
Preferred stock issued to acquire "Bird & Cronin"	0	4,000,000
Acquisition holdback	0	2,147,291
Conversion of preferred stock to common stock	0	7,459,600
Capital lease obligations incurred to acquire property and equipment	$ 252,493	$ 0