Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Current Assets
Cash and cash equivalents	$ 3,806	$ 1,467
Accounts receivable, net	1,575	1,733
Prepaid expenses and other current assets	1,936	858
Inventories	290	295
Assets held for sale	527	527
Total current assets	8,134	4,880
Property and equipment, net	18,173	20,317
Goodwill	546	546
Intangible assets, net	508	617
Right-of-use asset - finance, net	58	129
Right-of-use asset - operating, net	2,495	2,918
Other assets	434	423
Non-current assets of discontinued operations	0	353
TOTAL ASSETS	30,348	30,183
Current Liabilities
Accounts payable and accrued liabilities	1,623	1,931
Senior revolving credit facility, related party (including future interest payable of $731 and $892, respectively - see Note 7)	1,664	1,593
Lease liability - finance, current	33	65
Lease liability - operating, current	841	854
Current portion of long-term debt	56	100
Current liabilities of discontinued operations	0	31
Total current liabilities	4,217	4,574
Long-Term Liabilities
Senior revolving credit facility, related party (including future interest payable of $249 and $485, respectively - see Note 7)	13,316	17,485
Subordinated debt, related party	0	1,180
Long-term debt, less current portion	2,023	2,052
Lease liability - finance, less current portion	36	55
Lease liability - operating, less current portion	1,782	2,185
Deferred tax liability, net	948	0
Other liabilities	48	88
Long-term liabilities of discontinued operations	0	9
Total long-term liabilities	18,153	23,054
Total liabilities	22,370	27,628
Commitments and Contingencies (Note 9)
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; 11,439,633 and 6,307,868 shares issued as of June 30, 2021 and December 31, 2020, respectively; 6,907 shares of treasury stock as of June 30, 2021 and December 31, 2020, respectively; and 11,432,726 and 6,300,961 shares outstanding as of June 30, 2021 and December 31, 2020, respectively	57	32
Additional paid-in capital	40,785	30,052
Accumulated deficit	(32,864)	(27,529)
Total stockholders' equity	7,978	2,555
TOTAL LIABILITIES AND STOCKHOLDERS' EQUITY	$ 30,348	$ 30,183