Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Jun. 30, 2020	Dec. 31, 2019
ASSETS
Cash and cash equivalents	$ 9,375,188	$ 8,664,253
Accounts receivable, net	1,721,451	2,545,537
Contract assets	940,239	512,952
Inventories, net	1,547,236	1,709,713
Taxes Receivable	1,528,305
Other current assets	452,385	733,337
Total Current Assets	15,564,804	14,165,792
Property, plant and equipment, net	32,361,524	32,102,335
Other assets	13,748	13,748
Intangible assets, net	385,074	441,177
Total Assets	48,325,150	46,723,052
LIABILITIES AND STOCKHOLDERS’ EQUITY
Accounts payable	463,595	535,394
Accrued expenses	1,377,962	1,902,858
Current maturities of long-term debt	681,222	674,593
Contract Liabilities	420,285	845,653
Deferred revenue	1,306,013	1,429,583
Total Current Liabilities	4,249,077	5,388,081
Long-term debt, net of current portion	13,452,827	11,377,126
Total Long-Term Liabilities	13,452,827	11,377,126
Total Liabilities	17,701,904	16,765,207
Commitments and contingencies (see note 12)
Stockholders’ Equity:
Common stock - $0.01 par value – 20,000,000 shares authorized; issued and outstanding 6,639,685 at June 30, 2020 and 6,623,793 at December 31, 2019	66,396	66,237
Additional paid-in capital	26,860,747	26,719,554
Retained earnings	3,696,103	3,172,054
Total Stockholders’ Equity	30,623,246	29,957,845
Total Liabilities and Stockholders’ Equity	$ 48,325,150	$ 46,723,052