Condensed Consolidated Balance Sheets - USD ($)	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 3,162,000	$ 3,979,000
Accounts receivable, net	6,158,000	5,945,000
Inventories, net	127,000	209,000
Prepaid expenses and other current assets	2,379,000	3,583,000
Due from related parties	19,000	0
Total current assets	11,845,000	13,716,000
Property, plant and equipment, net	58,177,000	60,363,000
Right-of-use assets	849,000	965,000
Goodwill	4,453,000	4,453,000
Investments in foreign joint ventures	10,120,000	10,521,000
Other noncurrent assets	301,000	308,000
Total assets	85,745,000	90,326,000
Current liabilities:
Current portion of long-term notes payable - related parties	1,000,000	1,000,000
Current portion of finance lease obligation - related parties	3,319,000	3,440,000
Current portion of operating lease obligations	334,000	364,000
Short-term notes payable	321,000	558,000
Accrued liabilities	4,490,000	5,018,000
Accounts payable	3,283,000	4,728,000
Total current liabilities	12,747,000	15,108,000
Long-term notes payable, net of current portion - related parties	6,077,000	6,077,000
Finance lease obligations, net of current portion - related parties	1,000	648,000
Long-term portion of operating lease obligations	586,000	650,000
Deferred compensation	113,000	0
Deferred income taxes	28,000	0
Total liabilities	19,552,000	22,483,000
Commitments and contingencies (Note 13)
Equity:
Preferred Stock; $0.001 par value, 1,000,000 shares authorized, no shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively	0	0
Stockholders’ equity:
Common stock; $0.001 par value, 37,500,000 shares authorized, 16,835,318 and 16,800,612 shares issued and outstanding at March 31, 2020 and December 31, 2019, respectively (Note 14)	17,000	17,000
Additional paid-in capital	90,767,000	90,748,000
Accumulated other comprehensive loss	(910,000)	(291,000)
Accumulated deficit	(23,681,000)	(22,631,000)
Total stockholders’ equity	66,193,000	67,843,000
Total Equity	66,193,000	67,843,000
Total liabilities and equity	$ 85,745,000	$ 90,326,000