Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Sep. 30, 2019	Dec. 31, 2018
CURRENT ASSETS:
Cash and cash equivalents	$ 3,250,087	$ 5,057,626
Accounts receivable less allowance for doubtful accounts	13,151,459	9,835,262
Costs and estimated earnings in excess of billing	2,609,373	2,083,349
Inventories less allowance for obsolete inventory	7,099,673	5,497,982
Prepaid expenses and other current assets	631,967	818,609
Total Current Assets	26,742,559	23,292,828
PROPERTY, PLANT AND EQUIPMENT:
Land and improvements	228,872	257,205
Buildings and leasehold improvements	1,837,721	1,709,165
Machinery and equipment	13,834,588	13,343,878
Total property, plant and equipment	15,901,181	15,310,248
Less accumulated depreciation	3,189,009	2,006,133
Property, Plant and Equipment, Net	12,712,172	13,304,115
Operating right of use assets, net	9,448,909
OTHER ASSETS:
Goodwill	9,792,670	9,582,202
Intangibles, net of accumulated amortization	4,051,428	4,332,202
Other non-current assets	88,046	95,263
Total Non-Current Other Assets	13,932,144	14,009,667
Total Assets	62,835,784	50,606,610
CURRENT LIABILITIES:
Convertible notes payable	200,000	200,000
Notes payable	2,742,760	1,555,663
Bank debt	1,333,333	1,333,333
Leases payable	959,808	13,800
Accounts payable	6,612,817	5,169,819
Unearned revenue	1,884,218	5,257,797
Accrued payroll and related expenses	1,077,546	1,358,669
Accrued expenses	2,519,444	1,606,429
Accrued income taxes	662,327	360,239
Total Current Liabilities	17,992,253	16,855,749
LONG-TERM LIABILITIES:
Notes payable	8,366,237	11,086,402
Bank debt	7,241,356	8,194,679
Deferred income taxes	1,701,651	1,701,653
Leases payable	8,617,781	2,642
Total Long-Term Liabilities	25,927,025	20,985,376
STOCKHOLDERS' EQUITY
Preferred shares, no par value - 1,000,000 shares authorized, no shares issued and outstanding
Contributed capital	1,741,901	1,741,901
Treasury shares	(1,905,780)	(1,905,780)
Retained earnings	14,776,471	9,577,792
Total Stockholders' Equity	18,916,506	12,765,485
Total Liabilities and Stockholders' Equity	62,835,784	50,606,610
Common Class A [Member]
STOCKHOLDERS' EQUITY
Common shares	2,945,642	2,641,300
Common Class B [Member]
STOCKHOLDERS' EQUITY
Common shares	$ 1,358,272	$ 710,272