Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 7,399,702	$ 8,664,253
Accounts receivable, net	3,238,256	2,545,537
Contract assets	1,753,095	512,952
Inventories, net	1,690,567	1,709,713
Taxes Receivable	1,528,305
Other current assets	532,357	733,337
Total Current Assets	16,142,282	14,165,792
Property, plant and equipment, net	32,225,396	32,102,335
Other assets	13,748	13,748
Intangible assets, net	413,011	441,177
Total Assets	48,794,437	46,723,052
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	736,981	535,394
Accrued expenses	1,480,590	1,902,858
Current maturities of long-term debt	676,549	674,593
Contract Liabilities	174,486	845,653
Deferred revenue	2,828,568	1,429,583
Total Current Liabilities	5,897,174	5,388,081
Long-term debt, net of current portion	11,208,292	11,377,126
Total Liabilities	17,105,466	16,765,207
Commitments and contingencies (Note 13)
Stockholders’ Equity:
Common stock - $0.01 par value – 20,000,000 shares authorized; issued and outstanding 6,633,355 at March 31, 2020 and 6,623,793 at December 31, 2019	66,333	66,237
Additional paid-in capital	26,792,106	26,719,554
Retained earnings	4,830,532	3,172,054
Total Stockholders’ Equity	31,688,971	29,957,845
Total Liabilities and Stockholders’ Equity	$ 48,794,437	$ 46,723,052