Consolidated Balance Sheets - USD ($)	Dec. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 6,448,000	$ 30,657,000
Accounts receivable, trade, net of allowance for doubtful accounts of $68 and $0 at December 31, 2019 and 2018, respectively	5,345,000	3,045,000
Inventories	10,972,000	3,509,000
Prepaid expenses and other current assets	1,348,000	353,000
Total current assets	24,113,000	37,564,000
Assets held for rent, net	3,922,000
Property and equipment, net	5,572,000	1,319,000
Operating lease right-of-use assets, net	1,040,000
Long-term deposits and other assets	50,000	36,000
Investments	2,500,000
Equity method investment in SAVSU		6,548,000
Intangible assets, net	21,982,000
Goodwill	33,637,000
Total assets	92,816,000	45,467,000
Current liabilities
Accounts payable	3,119,000	720,000
Accrued expenses and other current liabilities	3,369,000	1,219,000
Lease liabilities, operating, current portion	804,000
Contingent consideration, current portion	377,000
Total current liabilities	7,669,000	1,939,000
Warrant liability	39,602,000	28,516,000
Contingent consideration, long term	1,537,000
Lease liabilities, operating, long-term	550,000
Other long-term liabilities	4,000	380,000
Total liabilities	49,362,000	30,835,000
Commitments and Contingencies (Note 12)
Shareholders’ equity
Preferred stock, $0.001 par value; 1,000,000 shares authorized, Series A, 4,250 shares designated, and 0 shares issued and outstanding at December 31, 2019 and 2018
Common stock, $0.001 par value; 150,000,000 shares authorized, 20,825,452 and 18,547,406 shares issued and outstanding at December 31, 2019 and 2018, respectively	21,000	19,000
Additional paid-in capital	143,485,000	113,008,000
Accumulated deficit	(100,052,000)	(98,395,000)
Total shareholders’ equity	43,454,000	14,632,000
Total liabilities and shareholders’ equity	$ 92,816,000	$ 45,467,000