CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash	$ 14,585	$ 14,040
Accounts receivable	6,549	5,833
Inventory, net	3,429	2,378
Prepaid expenses and other	1,135	315
Total current assets	25,698	22,566
Property and equipment, net	1,116	858
Operating lease asset	4,980	3,831
Finance lease asset	168	180
Deposits	275	329
Long term deferred income taxes	985	513
Total assets	33,222	28,277
Current liabilities:
Accounts payable and accrued expenses	2,292	2,141
Lease liability - operating leases	1,678	1,211
Lease liability - finance leases	53	45
Income taxes payable	39	52
Accrued payroll and related taxes	1,772	1,748
Total current liabilities	5,834	5,197
Long-term liabilities:
Lease liability - operating leases	3,954	3,282
Lease liability - finance leases	126	145
Total liabilities	9,914	8,624
Commitments and contingencies
Stockholders' equity:
Preferred stock, $0.001 par value; 10,000,000 shares authorized; no shares issued and outstanding as of March 31, 2020 and December 31, 2019	0	0
Common stock, $0.001 par value; 100,000,000 shares authorized; 34,348,802 issued and 33,177,582 outstanding as of March 31, 2020 and 33,862,885 issued and 32,791,665 outstanding as of December 31, 2019	34	34
Additional paid-in capital	9,916	9,198
Treasury stock 1,071,220 shares, at March 31, 2020 and December 31, 2019, respectively, at cost	(3,846)	(3,846)
Retained earnings	17,293	14,356
Total Zynex, Inc. stockholders' equity	23,397	19,742
Non-controlling interest	(89)	(89)
Total stockholders' equity	23,308	19,653
Total liabilities and stockholders' equity	$ 33,222	$ 28,277