Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Current Assets:
Cash and cash equivalents	$ 1,673	$ 1,467
Accounts receivable, net	2,279	1,733
Prepaid expenses and other current assets	2,456	858
Inventories	371	295
Assets held for sale	527	527
Total current assets	7,306	4,880
Property and equipment, net	17,070	20,317
Goodwill	546	546
Intangible assets, net	454	617
Right-of-use asset - finance, net	50	129
Right-of-use asset - operating, net	2,279	2,918
Other assets	404	423
Non-current assets of discontinued operations	0	353
TOTAL ASSETS	28,109	30,183
Current Liabilities:
Accounts payable and accrued liabilities	1,635	1,931
Senior revolving credit facility, related party (including future interest payable of $772 and $892, respectively - see Note 5)	2,000	1,593
Lease liability - finance, current	26	65
Lease liability - operating, current	775	854
Current portion of long-term debt	57	100
Current liabilities of discontinued operations	0	31
Total current liabilities	4,493	4,574
Non-Current Liabilities:
Senior revolving credit facility, related party (including future interest payable of $20 and $485, respectively - see Note 5)	12,792	17,485
Subordinated debt, related party	0	1,180
Long-term debt, less current portion	69	2,052
Lease liability - finance, less current portion	26	55
Lease liability - operating, less current portion	1,631	2,185
Other liabilities	24	88
Long-term liabilities of discontinued operations	0	9
Total non-current liabilities	14,542	23,054
TOTAL LIABILITIES	19,035	27,628
Commitments and Contingencies (Note 7)
Stockholders' Equity:
Preferred stock, $.005 par value, 10,000,000 shares authorized, no shares issued or outstanding	0	0
Common stock, $.005 par value, 100,000,000 shares authorized; 11,439,191 and 6,307,868 shares issued as of September 30, 2021 and December 31, 2020, respectively; 6,907 shares of treasury stock as of September 30, 2021 and December 31, 2020, respectively; and 11,432,284 and 6,300,961 shares outstanding as of September 30, 2021 and December 31, 2020, respectively	57	32
Additional paid-in capital	40,502	30,052
Accumulated deficit	(31,485)	(27,529)
Total stockholders' equity	9,074	2,555
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 28,109	$ 30,183