Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 5,387,896		$ 7,699,335
Accounts receivable, net	1,147,451		1,047,728
Contract assets	1,066,382		494,281
Inventories, net	1,297,202		1,123,839
Taxes Receivable	715,599		715,599
Other current assets	460,260		709,175
Assets held for sale	16,181,368		0
Total Current Assets	26,256,158		11,789,957
Property, plant and equipment, net	12,405,495		28,843,563
Intangible assets, net	234,633		288,657
Other assets	23,318		13,748
Total Assets	38,919,604		40,935,925	$ 48,325,000
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	910,731		817,933
Accrued expenses	1,766,245		1,409,039
Current maturities of long-term debt	1,915,508		690,667
Contract Liabilities	1,001,071		786,657
Liabilities held for sale	9,123,151		0
Total Current Liabilities	14,716,706		3,704,296
Long-term debt, net of current portion	0		13,106,057
Total Liabilities	14,716,706		16,810,353
Commitments and contingencies (see note 13)
Stockholders’ Equity:
Common stock - $0.01 par value – 20,000,000 shares authorized; issued and outstanding 6,684,281 at June 30, 2021 and 6,678,698 at December 31, 2020	66,842		66,786
Additional paid-in capital	27,074,079		26,961,684
Accumulated deficit	(2,938,023)		(2,902,898)
Total Stockholders’ Equity	24,202,898	$ 22,670,395	24,125,572	$ 30,623,246	$ 31,688,971	$ 29,957,845
Total Liabilities and Stockholders’ Equity	$ 38,919,604		$ 40,935,925