Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($)	Mar. 31, 2019	Dec. 31, 2018
Current Assets:
Cash	$ 2,483,141	$ 3,776,111
Cash, restricted	117,904	0
Accounts receivable, net	2,711,293	1,308,122
Other receivables	3,622,934	1,098,796
Deposits	945,496
Contract Assets	1,442,861	624,275
Inventories, net	4,296,715	4,432,055
Prepaid expenses	250,414	133,847
Total Current Assets	15,870,758	11,373,206
Property and Equipment, net	1,484,471	1,431,649
Operating lease right-of-use asset	1,930,932
Total property and equipment and right of use asset	3,415,403	1,431,649
Other Assets:
Investments at costs	5,606	5,714
Other intangible assets	153	748
Deposits	347,662	347,932
Total Other Assets	353,421	354,394
Total Assets	19,639,582	13,159,249
Current Liabilities:
Current maturities of finance lease obligations	6,651	13,789
Current maturities of operating lease liabilities	459,528	0
Accounts payable	5,541,179	2,122,479
Accrued expenses	2,378,961	1,868,229
Contract liabilities	838,246	516,335
Deferred revenue / customers deposits	289,087	98,781
Total Current Liabilities	9,513,652	4,619,613
Operating lease liabilities, net of current maturities	1,504,328	0
Total Long-term Liabilities	1,504,328	0
Total Liabilities	11,017,980	4,619,613
Commitments and Contingencies
Stockholders' Equity:
Common stock; par value $0,001, 25,000,000 shares authorized 18,302,880 and 18,228,887 (each after the 4-to-1 reverse stock split) shares issued and outstanding at March 31, 2019 and December 31, 2018, respectively	18,303	18,229
Additional paid-in capital	46,849,057	46,575,986
Accumulated deficit	(32,251,980)	(32,286,224)
Deferred compensation	(35,000)	(23,499)
Other comprehensive income, net	(5,958,778)	(5,744,856)
Total Stockholders' Equity	8,621,602	8,539,636
Total Liabilities and Stockholders' Equity	$ 19,639,582	$ 13,159,249